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Segment Information (Details)	12 Months Ended
Segment Information (Details)	Dec. 31, 2025 segments
Segment Information [Line Items]
Number of reportable segments	4
Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block]	The guidance requires that segment disclosures present the measure(s) used by the Chief Operating Decision Maker (“CODM”) to decide how to allocate resources and for purposes of assessing such segments’ performance. The Company’s CODM is comprised of several members of its executive management team who use revenue and cost of revenues of our four reporting segments to assess the performance of the business of our reportable operating segments.
Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration]	management team

Organization - Schedule of Major Subsidiaries (Details)	12 Months Ended
Organization - Schedule of Major Subsidiaries (Details)	Dec. 31, 2025
Superlative Accelerating Infinite Limited [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Feb. 05, 2021
Percentage of ownership	100.00%
Place of incorporation	BVI
Principle business activities	Investment holding
Sustainable Available Innovative Limited [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Jul. 14, 2021
Percentage of ownership	100.00%
Place of incorporation	BVI
Principle business activities	Investment holding
Silicon Asset Investment Limited [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Mar. 03, 2021
Percentage of ownership	100.00%
Place of incorporation	Hong Kong
Principle business activities	Investment holding
Sustainable Available Innovative Pte. Ltd. [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Aug. 18, 2021
Percentage of ownership	100.00%
Place of incorporation	Singapore
Principle business activities	Investment holding
Hangzhou Dareruohan Technology Co., Ltd. [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Apr. 02, 2021
Percentage of ownership	100.00%
Place of incorporation	PRC
Principle business activities	Research and Development
SAI US INC. [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Feb. 24, 2022
Percentage of ownership	100.00%
Place of incorporation	U.S.
Principle business activities	Engaged in crypto asset mining business
SAITECH LIMITED [Member]
Subsidiary of Limited Liability Company or Limited Partnership [Line Items]
Date of incorporation	Feb. 02, 2021
Percentage of ownership	100.00%
Place of incorporation	CAY
Principle business activities	Investment holding

Summary of Significant Accounting Policies

12 Months Ended

Dec. 31, 2025

Summary of Significant Accounting Policies [Abstract]

Summary of Significant Accounting Policies

2. Summary of Significant Accounting Policies

a) Basis of presentation

The Company’s consolidated financial statements are prepared and presented in accordance with generally accepted accounting principles in the United States of America (“U.S. GAAP”).

b) Principles of consolidation

The accompanying consolidated financial statements include the accounts of the Company and its subsidiaries, of which we are the primary beneficiary, from the dates they were acquired or incorporated. All inter-company transactions and balances have been eliminated upon consolidation.

c) Liquidity

For the year ended December 31, 2025, the Company had a net loss of $6,454 and net cash outflow in operating activities of $7,617. As of December 31, 2025, our consolidated current assets exceeded our consolidated current liabilities by $6,360, we had cash and cash equivalents of $202, crypto assets and stablecoin assets of $4,004, restricted crypto assets of $5,516, and accumulated deficit of $44,283. The Company believes its current cash and crypto assets on hand is sufficient to meet its operating and capital requirement for at least the next twelve months from the date these financial statements are issued.

Additionally, in 2026, the company is taking proactive measures to improve its business operations, to enhance its gross margin, and control operating expenses, to ensure that operation loss in 2026 does not further deteriorate compared to 2025.

d) Use of estimates

The preparation of financial statements in conformity with U.S. GAAP requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the related disclosure of contingent assets and liabilities at the date of these consolidated financial statements, and the reported amounts of revenue and expenses during the reporting period. The Company continually evaluates these estimates and assumptions based on the most recently available information, historical experience and various other assumptions that the Company believes to be reasonable under the circumstances. Significant accounting estimates reflected in the Company’s consolidated financial statements include but are not limited to estimates and judgments applied in determination of allowance for credit losses, impairment losses for long-lived assets including intangible assets, impairment loss for crypto assets, valuation allowance for deferred tax assets, allowance for inventory obsolescence, estimated forfeiture rate in calculation of share-based payment, estimated interest rate on calculation of operating lease. Since the use of estimates is an integral component of the financial reporting process, actual results could differ from those estimates.

e) Foreign currency translation and transactions

Historically the Company’s principal country of operations is the PRC. The financial position and results of its operations are determined using RMB, the local currency, as the functional currency. The Company’s financial statements are reported using U.S. Dollars (“US$”, or “$”). The functional currency for the Company in Cayman Island is US$. Assets and liabilities are translated using the exchange rate at each balance sheet date. The consolidated statements of operations and comprehensive (loss)/income and cash flows denominated in foreign currency are translated at the average rate of exchange during the reporting period, and shareholders’ equity/(deficit) is translated at historical exchange rates. Adjustments resulting from the translation are recorded as a separate component of accumulated other comprehensive (loss)/income in shareholders’ equity.

The value of RMB against US$ and other currencies may fluctuate and is affected by, among other things, changes in the PRC’s political and economic conditions. Any significant revaluation of RMB may materially affect the Company’s financial condition in terms of US$ reporting. The following table outlines the currency exchange rates that were used in creating the consolidated financial statements in this report:

		As of December 31, 2024				As of December 31, 2025
Balance sheet items, except for equity accounts			7.1884				7.0288

	For the Years Ended December 31,
	2023		2024		2025
Items in the consolidated statements of operations and comprehensive loss, and cash flows		7.0422		7.1205		7.1440

No representation is intended to imply that the RMB amounts could have been, or could have been, converted, realized or settled into US$ at that rate stated above, or at any other rate.

f) Cash and cash equivalents

Cash and cash equivalents consist of bank deposits, which are unrestricted as to withdrawal and use. The Company considers all highly liquid investments with original maturities of three months or less at the time of purchase to be cash equivalents.

g) Restricted cash

Restricted cash refers to the cash held by the Company for specific purposes (research and development) and cannot be immediately used for general operations or discretionary expenditures and investments. The Company receives a government grant primarily allocated for research and development expenditures, which must be approved by the pertinent authorities. In 2025, the Company fully settled its obligations related to this government grant.

h) Accounts receivable

The Company records accounts receivable at net realizable value consisting of the carrying amount less an allowance for credit loss as needed. The allowance for credit loss is the Company’s best estimate of the amount of probable credit losses in the Company’s existing accounts receivable. The Company determines the allowance based on aging data, historical collection experience, customer specific facts and economic conditions. Account balances are charged off against the allowance after all means of collection have been exhausted and the potential for recovery is considered remote. As of December 31, 2025 and 2024, the Company did not record any allowances for credit loss against its accounts receivable.

i) Inventories

Inventories, which consist of digital mining cabinets and related accessories for production purposes, are stated at the lower of cost or net realizable value. The cost of inventory is determined using the identified cost of the specific item. Inventory is written down for damaged and slow - moving items, which is dependent upon factors such as historical and forecasted consumer demand and expected selling price. Write - downs are recorded in the cost of revenues in the consolidated statements of operations and comprehensive (loss)/income.

For the year ended December 31, 2025, the Company recognized an inventory write - down of $207,887 due to slow - moving machines. In comparison, no inventory write - downs were recognized for the year ended December 31, 2024.

j) Crypto assets

Crypto assets purchased are recorded at cost and Crypto assets (mainly bitcoin) awarded to the Company though its mining activities are accounted for in connection with the Company’s revenue recognition policy. Crypto assets (bitcoin) are included in current and other assets in the accompanying Consolidated Balance Sheets due to the Company’s ability to sell bitcoin in a highly liquid marketplace and the selling of bitcoin to fund operating expenses to support operations. Crypto assets held are accounted for as intangible assets with indefinite useful lives. At each month end SAI re-measured crypto assets at fair value in the statement of financial position. Gains and losses from the remeasurement of crypto assets shall be included in net income. ASC 350-60 provides guidance on classifying proceeds from bitcoin and concludes that bitcoin converted nearly immediately into cash would qualify as cash flows from operating activities. All other sales would qualify as investing activities. The Company evaluates its sales of bitcoin and will record crypto assets sold nearly immediately as operating cash flows and the remainder will be recorded as investing activities. During year ended December 31, 2023, all proceeds from bitcoin sales were classified as investing activities. As a result of adopting ASC 350-60 on October 1, 2023, crypto assets are measured at fair value as of each reporting period. The fair value is measured using the period-end closing crypto assets price from its principal market in accordance with ASC 820, Fair Value Measurement.

Under ASU 2023-08, Intangibles-Goodwill and Other-Crypto Assets (Subtopic 350-60): Accounting for and Disclosure of Crypto Assets (“ASU 2023-08”), which requires entities to measure crypto assets at fair value with changes recognized in the Consolidated Statement of Operations and Comprehensive Income (Loss) each reporting period. The Company’s crypto assets are within the scope of ASU 2023-08, crypto assets are revalued at fair value at the end of each reporting period, with changes in fair value recognized in net income. As a result, fluctuations in the price of Bitcoin may significantly impact our results of operations. The Company recorded a $464 decrease in crypto assets and a $464 decrease in net income on the Consolidated Balance Sheets for the year ended December 31, 2025.

Crypto assets generated from the crypto assets mining business are included within operating activities in the accompanying consolidated statements of cash flows. The sales of crypto assets are included within investing activities in the accompanying consolidated statements of cash flows and any realized gains or losses from such sales are included in gain or loss of disposal of crypto assets in the consolidated statements of operations and comprehensive (loss)/income.

k) Stablecoin assets

Stablecoin assets are included in current assets in the accompanying consolidated balance sheets. The Company classifies stablecoin assets as financial assets on the basis that one USDC can be redeemed for one U.S. dollar on demand from the issuer. The Company holds USD Coin (USDC), which is redeemable at a rate of one USDC for one U.S. dollar on demand from the issuer and is accounted for as a financial instrument in accordance with ASC Topic 825. The purpose of keeping stablecoin assets is to invest in bitcoin when the price and market conditions are favorable to us. These stablecoin assets are recognized in the consolidated balance sheets as a liquidity resource, while not accounted for as cash or cash equivalents.

l) Restricted Crypto Assets

The Company classifies certain crypto assets, primarily Bitcoin generated through its self-mining activities, as Restricted Crypto Assets. These assets are contractually pledged as collateral to secure the Company’s borrowing arrangements. Restricted Crypto Assets are included in Current Assets in the accompanying Consolidated Balance Sheets. Although these assets are encumbered by security interests, the Company classifies them as current based on the short-term nature of the underlying debt obligations and the expectation that the collateral will be released or liquidated within the operating cycle to support liquidity and working capital requirements. Crypto assets generated through mining activities are initially recognized at fair value at the time of receipt, with a corresponding credit to revenue, consistent with the Company’s revenue recognition policy. When these assets are subsequently pledged as collateral, they are reclassified from unrestricted to restricted crypto assets on the balance sheet, with no impact on the carrying value at the time of the pledge.

In accordance with ASU 2023-08, Intangibles-Goodwill and Other-Crypto Assets (Subtopic 350-60), the Company measures Restricted Crypto Assets at fair value at the end of each reporting period. Restricted Crypto Assets are derecognized when the collateral is released upon repayment of debt or if the assets are liquidated by the lender to settle the obligation.

m) Property and equipment, net

The Company records plant not yet placed into service as construction in progress. Once the plant is completed and operational, the construction in progress is reclassified to “Plant” and depreciated over the estimated useful life.

The Company’s property and equipment are recorded at cost less accumulated depreciation and impairment loss, if any. Depreciation is calculated on the straight-line method after taking into account their respective estimated residual values over the following estimated useful lives:

Item	Useful lives	Ratio of residual values
Furniture, fixture and other equipment	3 years		5	%
Electronic equipment	3 – 5 years		5	%
Plant	Shorter of useful life or lease term		0	%

When property and equipment are retired or otherwise disposed of, resulting gain or loss is included in net income in the period of disposition. For the years ended December 31, 2025, 2024 and 2023, the Company recognized a gain of $3, a loss of $2 and a loss of $402, respectively, from disposal of property and equipment, net.

n) Construction in progress

Direct costs that are related to the construction of equipment and incurred in connection with bringing the assets to their intended use are capitalized as construction in progress. Construction in progress is transferred to specific plants and equipment items and the depreciation of these assets commences when the assets are ready for their intended use.

o) Impairment loss on long-lived assets

All long-lived assets, which include tangible long-lived assets and intangible long-lived assets, are reviewed for impairment whenever events or changes in circumstances indicate that the carrying amount of an asset may not be recoverable. Recoverability of long-lived assets to be held and used is measured by a comparison of the carrying amount of the asset to the estimated undiscounted future cash flows expected to be generated by the assets. If the carrying amount of an asset exceeds its estimated future undiscounted cash flows, an impairment loss is recognized for the difference between the carrying amount of the asset and its fair value. For the years ended December 31, 2025, 2024 and 2023, the Company recognized $1,350, nil and $138 on impairment loss on long-lived assets.

p) Fair value of financial instruments

The Company’s financial instruments primarily consist of cash and cash equivalents, accounts receivable and stablecoin assets. The carrying values of these financial instruments’ approximate fair values due to their short term in nature.

Fair value is defined as the exchange price that would be received for an asset or paid to transfer a liability (an exit price) in the principal or most advantageous market for the asset or liability in an orderly transaction between market participants on the measurement date. This topic also establishes a fair value hierarchy which requires classification based on observable and unobservable inputs when measuring fair value. There are three levels of inputs that may be used to measure fair value:

Level 1 — Quoted prices in active markets for identical assets or liabilities.

Level 2 — Observable inputs other than Level 1 prices such as quoted prices for similar assets or liabilities; quoted prices in markets that are not active; or other inputs that are observable or can be corroborated by observable market data for substantially the full term of the assets or liabilities.

Level 3 — Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

Determining which category an asset or liability falls within the hierarchy requires significant judgment. The Company evaluates its hierarchy disclosures each quarter.

q) Revenue recognition

In accordance with ASC Topic 606, revenues are recognized when control of the promised goods or services is transferred to the Company’s customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those goods or services. In determining when and how much revenue is recognized from contracts with customers, the Company performs the following five-step analysis: (1) identify the contract(s) with a customer; (2) identify the performance obligations in the contract; (3) determine the transaction price; (4) allocate the transaction price to the performance obligations in the contract; (5) recognize revenue when (or as) the entity satisfies a performance obligation. The Company assesses its revenue arrangements against specific criteria in order to determine if it is acting as principal or agent.

Sales of products

Revenue generated from sales of products occurs for the sales of crypto asset mining machines and outdoor computing infrastructure containers to end customers. The Company presents the revenue generated from its product sales on a gross basis as the Company acts as the principal and has control of the goods and has the ability to direct the use of goods to obtain substantially all the benefits. In making this determination, the Company also assesses whether it is primarily obligated in these transactions, is subject to inventory risk, has latitude in establishing prices, or has met several but not all of these indicators.

Revenues are measured in terms of the amount of consideration the Company expects to receive in exchange for transferring control of products to customers. Consideration from product sales is recorded net of value-added tax, and there is generally no other performance obligation other than the delivery of products. Proceeds from product sales are recognized as revenue at the point in time when the receipt of product is confirmed by the customer.

Hosting service

Revenues generated from hosting service is earned by the Company to perform hosting service and daily maintenance of servers for customers throughout the contractual period. The single performance obligation is to provide an environment for the servers to operate continuously which is satisfied over time. Such hosting service revenue is recognized over time as the performance obligation is satisfied over the term of the contracts with customers.

Mining pool services

The Company operates its mining pool, Sai.plus, to enable providers of computing power (“pool participants”) to participate in crypto-mining activities in an efficient manner in the blockchain network, in exchange for a fee (“pool operator fee”) for its coordination efforts as the pool operator. The Company receives all the mining rewards in its own name, and then allocates mining rewards to each pool participant net of the pool operator fees based on the sharing mechanism predetermined. The mining rewards include the block rewards and the transaction verification fees related to the transactions included in the block.

The Company considers itself the principal in transactions with the blockchain networks and recognizes the mining pool revenue on a gross basis. The performance obligation is to create or validate each block. Revenue is recognized at the point when the block creation or validation is complete, and the Company has received the rewards. Revenue is measured at the fair value of rewards upon receipt, which is not materially different than the fair value at contract inception. The Company considers itself the principal in transactions with the blockchain networks as it coordinates all the computing power within the mining pool, delivers such aggregated computing power to the blockchain network, collects centrally all mining rewards and distributes them in accordance with the predetermined sharing mechanisms. The Company has control over the pool participants’ computing power. Although the pool participants can enter and exit the pool at will and deploy the qualifying types of mining machines at the choices of the pool participants, during the mining process, the Company dictates the tasks and the participants’ mining machines merely follow the allocation prescribed by the Company. As a result, the Company is primarily responsible for fulfilling the promise to provide the specified service. Further, under existing sharing mechanisms, the Company is exposed to the risk that actual block rewards may differ from expected rewards, therefore, bears the inventory risk before the specified service has been transferred to a customer. The Company provides mining pool services under Sai.plus.

Mining Revenue

The Company have entered into crypto asset mining pools by executing contracts, as amended from time to time, with the mining pool operators to provide computing power to the mining pool. The contracts are terminable at any time by either party and our enforceable right to compensation only begins when we provide computing power to the mining pool operator. In exchange for providing computing power, the Company is entitled to a fractional share of the fixed crypto assets award the mining pool operator receives (less crypto asset transaction fees to the mining pool operator which are immaterial and are recorded as a deduction from revenue), for successfully adding a block to the blockchain.

r) Income taxes

The Company follows the guidance of ASC Topic 740 “Income taxes” and uses liability method to account for income taxes. Under this method, deferred tax assets and liabilities are determined based on the difference between the financial reporting and tax bases of assets and liabilities using enacted tax rates that will be in effect in the period in which the differences are expected to reverse. The Company records a valuation allowance to offset deferred tax assets, if based on the weight of available evidence, it is more-likely-than-not that the deferred tax assets will not be realized. The effect on deferred taxes of a change in tax rates is recognized in statement of operations and comprehensive (loss)/income in the period that includes the enactment date.

s) Uncertain tax positions

The Company uses a more-likely-than-not threshold for financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return. As a result, the impact of an uncertain income tax position is recognized at the largest amount that is more-likely-than-not to be sustained upon audit by the relevant tax authority. An uncertain income tax position will not be recognized if it has less than a 50% likelihood of being sustained.

Interest on non-payment of income taxes under requirement by tax law and penalties associated with tax positions when a tax position does not meet the minimum statutory threshold to avoid payment of penalties recognized, if any, will be classified as a component of the provisions for income taxes. The tax returns of the Company’s Hong Kong and PRC subsidiaries and VIE are subject to examination by the relevant local tax authorities.

According to the Departmental Interpretation and Practice Notes No.11 (Revised) (“DIPN11”) of the Hong Kong Inland Revenue Ordinance (the “HK tax laws”), an investigation normally covers the six years of the assessment prior to the year of the assessment in which the investigation commences. In the case of fraud and willful evasion, the investigation is extended to cover ten years of assessment.

According to the PRC Tax Administration and Collection Law, the statute of limitations is three years if the underpayment of taxes is due to computational errors made by the taxpayer or the withholding agent. The statute of limitations is extended to five years under special circumstances, where the underpayment of taxes is more than RMB100,000. In the case of transfer pricing issues, the statute of limitation is ten years. There is no statute of limitation in the case of tax evasion.

According to the U.S. tax laws, the statute of limitations for settlement of uncertain tax positions is generally three years from the date the tax return was filed. During this period, the Internal Revenue Service (IRS) can assess additional taxes or adjustments based on the position that was not specifically reviewed. If the IRS identifies a computational error in the tax return or a similar position that was not reviewed, the statute of limitations may extend to five years. For more complex issues related to transfer pricing, the statute of limitations can extend to ten years. Additionally, if there is a case of similar positions previously settled through the expiration of the statute of limitations, the IRS may re-examine these positions. Furthermore, if the underpayment of taxes is due to willful neglect, there is no statutory limitation on the IRS’s ability to audit and assess taxes.

The recognition of uncertain tax positions is based on a “more-likely-than-not” threshold as outlined in ASU 2016-16, in which previously unrecognized tax benefits should be recognized when a position is effectively settled through the expiration of the statute of limitations. If the statute of limitations is not expected to expire, the related tax position should be classified as a current liability if cash payments are expected within one year or the operating cycle, whichever is longer.

For the years ended December 31 2025, 2024 and 2023, the Company did not have any material interest or penalties associated with tax positions. The Company did not have any significant unrecognized uncertain tax positions as of December 31, 2025 and 2024. The Company does not expect that its assessment regarding unrecognized tax positions will materially change over the next 12 months.

t) Segment reporting

Operating segments are reported in a manner consistent with the internal reporting provided to the chief operating decision maker (the “CODM”), which is comprised of certain members of the Company’s management team. Consequently, the Company has determined that it has two reportable operating segments.

In addition, the Company’s chief operating decision maker makes resource allocation decisions and assesses performance based on the different business operating results instead of the geographic location operating results. Therefore, no geographical segments are presented.

u) Earnings per share

Earnings (loss) per share is computed in accordance with ASC 260. The two-class method is used for computing earnings per share in the event the Company has net income available for distribution. Under the two-class method, net income is allocated between ordinary shares and participating securities based on dividends declared and participating rights in undistributed earnings as if all the earnings for the reporting period had been distributed. Series Angel and Series Pre-A Preferred Shares issued by the Company qualified as participating securities because they have the same participating rights on the earnings of the Company as ordinary shares on an as-converted basis after the preferred shareholders receive non-cumulative annual dividends up to 100% of the original issue price for each of the preferred shares.

Basic earnings (loss) per ordinary share is computed by dividing net income/(loss) attributable to holders of ordinary shares by the weighted average number of ordinary shares outstanding during the period. Diluted earnings/(loss) per share is calculated by dividing net income/(loss) attributable to ordinary shareholders by the weighted average number of ordinary and potential ordinary shares outstanding during the period. Potential ordinary shares include ordinary shares issuable upon the conversion of the preferred shares using the if-converted method. Potential ordinary shares are not included in the denominator of the diluted earnings per share calculation when inclusion of such shares would be anti-dilutive or in the case of contingently issuable shares that all necessary conditions for issuance have not been satisfied. For the years ended December 31 2025, 2024 and 2023, there were no dilutive shares.

v) Share based compensation

The Company measures the cost of employee services received in exchange for an award of equity instruments based on the grant-date fair value of the award and recognizes the cost over the period the employee is required to provide service in exchange for the award, which generally is the vesting period. The Company recognizes compensation cost for an award with only service conditions that has a graded vesting schedule on a straight-line basis over the requisite service period for the entire award, net of estimated forfeitures, provided that the cumulative amount of compensation cost recognized at any date at least equals the portion of the grant-date value of such award that is vested at that date. Forfeiture rates are estimated based on historical and future expectations of employee turnover rates.

w) Commitments and contingencies

The Company accrues estimated losses from loss contingencies by a charge to income when information available before financial statements are issued or are available to be issued indicates that it is probable that an asset had been impaired, or a liability had been incurred at the date of the financial statements and the amount of the loss can be reasonably estimated. Legal expenses associated with the contingency are expensed as incurred. If a loss contingency is not probable or reasonably estimable, disclosure of the loss contingency is made in the financial statements when it is at least reasonably possible that a material loss could be incurred. As of December 31, 2025 and 2024, there were no contingent liabilities relating to litigations against the Company.

x) Leases

In February 2016, the FASB issued ASU No. 2016-02, “Leases (Topic 842)”. The amendments in this ASU requires that a lessee recognize the assets and liabilities that arise from operating leases. A lessee should recognize in the statement of financial position a liability to make lease payments (the lease liability) and a right-of-use asset representing its right to use the underlying asset for the lease term. For leases with a term of 12 months or less, a lessee is permitted to make an accounting policy election by class of underlying asset not to recognize lease assets and lease liabilities.

y) Reclassification

During the year, the Company reclassified collateral Bitcoins from long term assets to restricted crypto assets and comparative amounts in the consolidated balance sheets and consolidated statement of cash flows were restated for consistency.

z) Advance from customers

Advance from customers represent advance consideration received from customers for the sale of outdoor computing infrastructure containers, which is subject to contract liabilities under ASC 606. As of December 31, 2025, the related performance obligations under the contract with customers were not fully satisfied. Accordingly, the $10 deposit is recognized as a contract liability. It will be offset against the final delivery under the contracts.

The balance of advance from customers is recognized as revenue upon the completion of performance obligations. As of December 31, 2025 and 2024, the balance amounted to $10 and $870, respectively. Revenue recognized for the years ended December 31, 2025 and 2024 that was included in advance from customers balance at the beginning of the period was $870 and nil, respectively.

Organization

12 Months Ended

Dec. 31, 2025

Organization [Abstract]

Organization

1. Organization

SAIHEAT LIMITED, formerly known as SAI.TECH Global Corporation, TradeUP Global Corporation (the “Company” or “SAI.TECH”), was incorporated in the Cayman Islands on February 2, 2021. The Company, through its subsidiaries, is primarily engaged in sales of crypto assets mining machines and sale of outdoor computing infrastructure container to end customers, specialized hosting service to crypto asset mining customers, digital mining and mining pool service and other service globally.

a. Reverse recapitalization

On April 29, 2022, the Company consummated the previously announced business combination (the “Business Combination”) with SAITECH Limited, a Singapore based digital mining operator. Following the closing of the Business Combination, SAITECH Limited became a wholly owned subsidiary of TradeUP Global Corporation (“TradeUP”), which subsequently renamed to “SAI.TECH Global Corporation”. The transaction is accounted for as a recapitalization, SAITECH Limited is determined as the predecessor and the historical financial statements of SAITECH Limited became the Company’s historical financial statements, with retrospective adjustments to give effect of the recapitalization. The equity is restated using the exchange ratio of 0.13376 established in the recapitalization transaction, which is $188 million and $10.00 per share (the “exchange ratio”) divided by 140,551,496 (total ordinary shares outstanding of SAITECH Limited), and together with holders of 3,492,031 TradeUP Class A Ordinary Shares, remaining after the redemption of 2,071,735 shares, received 3,492,031 Class A Ordinary Shares, holders of 272,247 TradeUP Class B Ordinary Shares received 272,247 Class A Ordinary Shares, and holders of 2,244,485 TradeUP Warrants received Warrants to purchase 2,244,485 Class A Ordinary Shares, to reflect the equity structure of the Company.

Following completion of the Business Combination, holders of 28,000,000 SAITECH Limited Class A Ordinary Shares, remaining after the redemption of 24,254,751 shares, received 3,745,249 Class A Ordinary Shares, holders of 2,040,816 SAITECH Limited Series Seed Preferred Shares, remaining after the redemption of 1,767,838 shares, received 272,978 Class A Ordinary Shares, holders of 7,288,630 SAITECH Limited Series Angel Preferred Shares, remaining after the redemption of 6,313,711 shares, received 974,919 Class A Ordinary Shares, holders of 14,599,115 SAITECH Limited Series Pre-A Preferred Shares, remaining after the redemption of 12,646,352 shares, received 1,952,763 Class A Ordinary Shares, and holders of 16,622,935 SAITECH Limited Series A Preferred Shares, remaining after the redemption of 14,399,469 shares, received 2,223,466 Class A Ordinary Shares.

There is an aggregate of 12,933,653 Class A Ordinary Shares issued and outstanding, and 2,244,485 Class A Ordinary Shares issuable upon the exercise of the warrants to purchase Class A Ordinary Shares outstanding, with an exercise price of $172.5 per share.

Loss/(income) per share is retrospectively restated using the historical weighted-average number of ordinary shares outstanding multiplied by the exchange ratio. The par value of ordinary shares remained $0.0001, the subscription receivable was adjusted retrospectively from negative $9 to $nil, and the difference was adjusted retrospectively as in addition paid-in capital as of December 31, 2022 and then after. The preferred shares which were presented in mezzanine equities and Series Seed Preferred Shares were adjusted retrospectively into Class A ordinary shares and additional paid-in capital as of December 31, 2022 and then after.

The consolidated statements of changes in equity for the years ended December 31, 2021 and 2020 were also adjusted retrospectively to reflect these changes. The weighted average number of ordinary shares outstanding used in computing net loss per ordinary share — basic and diluted was adjusted retrospectively from 93,061,216 to 18,800,009 for the years ended December 31, 2021 and 2020. The loss per share before and after the retrospective adjustments are as follows.

	Year Ended December 31,
	2020				2021
	Before adjustment		After adjustment		Before adjustment			After adjustment
Net loss per share attributable to ordinary shareholders of SAI.TECH Global Corporation.
– Basic and diluted		—		—		(0.0019	)		(1.4274	)
Weighted average shares used in calculating net loss per share
– Basic and diluted		93,061,216		12,447,760		93,061,216			12,447,760

b. Reorganization

Prior to the Business Combination, SAITECH undertook a series of steps as follows to restructure its business (the “Reorganization”):

The Company incorporated Superlative Accelerating Infinite Limited (“Superlative Accelerating”) under the laws of the British Virgin Islands and Superlative Accelerating incorporated Silicon Asset Investment Limited (“Silicon Asset”) under the laws of Hong Kong, as its wholly owned subsidiary, in April 2021. In April 2021, Silicon Asset incorporated a wholly owned subsidiary, Hangzhou Dareruohan Technology Co., Ltd. (“SAIH WOFE”) in Hangzhou, the PRC.

Effective on April 22, 2021, the Company acquired control over Beijing SAIH and its subsidiary, Xinjiang Silicon Substrate Heating Power Co., Ltd. (“Xinjiang Silicon”) by entering into a series of contractual agreements (the “VIE Agreements”). The VIE Agreements enable SAIH WOFE to (i) have power to direct the activities that most significantly affect the performance of Beijing SAIH, and (ii) receive the benefits of Beijing SAIH that could be significant to Beijing SAIH. SAIH WOFE is fully and exclusively responsible for the management of Beijing SAIH, absorbs all risk of losses of Beijing SAIH and has the exclusive right to exercise all voting rights of Beijing SAIH’s shareholders. Therefore, in accordance with ASC 810 “Consolidation”, SAIH WOFE is considered as the primary beneficiary of Beijing SAIH and its subsidiary and has consolidated Beijing SAIH’s assets, liabilities, results of operations, and cash flows in the accompanying consolidated financial statements. Beijing SAIH is controlled by the same shareholder since incorporation and after the reorganization. Accordingly, Beijing SAIH became the VIE of the Company and the Company, through its wholly owned subsidiaries, Superlative Accelerating, Silicon Asset and SAIH WOFE, become the primary beneficiary of Beijing SAIH and its subsidiary (the “Reorganization”).

Since the Company, its wholly owned subsidiaries and the VIE were effectively controlled by the same shareholders immediately before and after the Reorganization completed on April 22, 2021, as described above, the Reorganization was accounted for as a recapitalization. As a result, the consolidation of the Company, its subsidiaries and the VIE has been accounted for at historical cost, as a transaction between entities under common control in a manner similar to polling of interest for the year ended December 31, 2020.

On August 31, 2021, the Company terminated the VIE Agreements. As a result, the corporate structure of the Company no longer contains a VIE structure starting from August 31, 2021.

On March 17, 2025, the Company effected a reverse stock split at a ratio of 15-to-1. All the shares and share price in the accompanying consolidated financial statements and notes have been retrospectively adjusted to reflect the effect of the reverse stock split (see Note 18).

c. Subsidiaries

As of December 31, 2025, all subsidiaries of the Company were summarized as follows:

Name of the entity	Date of incorporation	Percentage of ownership			Place of incorporation	Principle business activities
Subsidiaries
Superlative Accelerating Infinite Limited	February 5, 2021		100	%	BVI	Investment holding
Sustainable Available Innovative Limited	July 14, 2021		100	%	BVI	Investment holding
Silicon Asset Investment Limited	March 3, 2021		100	%	Hong Kong	Investment holding
Sustainable Available Innovative Pte. Ltd.	August 18, 2021		100	%	Singapore	Investment holding
Hangzhou Dareruohan Technology Co., Ltd.	April 2, 2021		100	%	PRC	Research and Development
SAI US INC.	February 24, 2022		100	%	U.S.	Engaged in crypto asset mining business
SAITECH LIMITED	February 2, 2021		100	%	CAY	Investment holding

Income Taxes - Schedule of Roll-Forward of the Valuation Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Roll-Forward of the Valuation Allowance [Abstract]
Beginning balance	$ 3,755	$ 3,029	$ 2,238
charge to tax expense in current year	1,674	726	790
Ending balance	$ 5,428	$ 3,755	$ 3,029

Amount Due from/(to) Related Parties (Details) - USD ($) $ in Thousands			12 Months Ended
	Dec. 25, 2023	Mar. 28, 2023	Dec. 31, 2025	Dec. 31, 2024
Amount Due from/(to) Related Parties [Line Items]
Related party transaction			$ 0	$ 0
Energy Science Artist Holding Limited [Member]
Amount Due from/(to) Related Parties [Line Items]
Consideration amount	$ 0	$ 0
Atomic Evolution Limited [Member]
Amount Due from/(to) Related Parties [Line Items]
Consideration amount	$ 0	$ 0	$ 0
Equity interest		100.00%

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 3
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483326/850-10-50-3

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480738/235-10-S50-1

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 6: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(k)(1))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1

Reference 7: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-13

Reference 8: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 9: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

Reference 10: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479134/946-220-S99-1

+ Details

Parent Only Information - Schedule of Condensed Balance Sheets (Parentheticals) (Details) - Parent Company [Member] - $ / shares	Dec. 31, 2025	Dec. 31, 2024
Class A Ordinary Shares
Schedule of Condensed Balance Sheets [Line Items]
Ordinary shares, par value (in Dollars per share)	$ 0.0015	$ 0.0015
Ordinary shares, shares authorized (in Shares)	22,024,624	22,024,624
Ordinary shares, shares issued (in Shares)	1,190,317	1,110,907
Ordinary shares, shares outstanding (in Shares)	1,190,317	1,110,907
Class B Ordinary Shares
Schedule of Condensed Balance Sheets [Line Items]
Ordinary shares, par value (in Dollars per share)	$ 0.0015	$ 0.0015
Ordinary shares, shares authorized (in Shares)	642,043	642,043
Ordinary shares, shares outstanding (in Shares)	642,043	642,043

Summary of Significant Accounting Policies (Details) ¥ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2025 CNY (¥)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Summary of Significant Accounting Policies [Abstract]
Net Income (Loss)	$ (6,454,000)		$ (5,886,000)	$ (6,120,000)
Net cash outflow in operating activities	(7,617,000)		(5,554,000)	(3,125,000)
Working capital	6,360,000
Restricted cash and cash equivalents	202,000
Crypto and stablecoins assets	4,004,000
Crypto assets	5,516,000
Accumulated deficit	(44,283,000)		(37,231,000)
Inventory write - down	207,000
Increase in crypto assets	464,000
Increase in accumulated deficit	464,000
Gain (loss) on disposal of property and equipment, net	3,000		(2,000)	(402,000)
Loss from disposal of property and equipment, net			2,000	402,000
Impairment loss on long-lived assets	$ 1,350,000			$ 138,000
Uncertain income tax	50.00%	50.00%
Underpayment of taxes (in Yuan Renminbi) \| ¥		¥ 100,000
Annual dividends, percentage	100.00%	100.00%
Deposit	$ 10
Balance amounted	10		870
Advance from customers	$ 870

Operating Leases

12 Months Ended

Dec. 31, 2025

Operating Leases [Abstract]

Operating Leases

7. Operating Leases

The Company entered into various operating lease agreements, office lease, which was started in July, 2025, operation lease in Marietta, U.S., which was started in April, 2023. The remaining lease terms ranges from 1.25 to 7.25 years. The Company’s lease agreements do not contain any material residual value guarantees or material restrictive covenants.

The following table presents the operating lease related assets and liabilities recorded on the Company’s consolidated balance sheet.

	As of December 31, 2024		As of December 31, 2025
	US$		US$
Right-of-use assets, net		585		513
Impairment of right-of-use assets		—		—
Right-of-use assets, net		585		513
Operating lease liabilities – current		82		83
Operating lease liabilities – non-current		486		432
Total operating lease liabilities		568		515

For the years ended December 31, 2025 and 2024, the Company recorded short-term lease costs of $54 and $51 respectively. Cash paid for amounts included in the measurement of operating lease liabilities were $123 and $272 for the years ended December 31, 2025 and 2024, respectively. As of December 31, 2025, the weighted average remaining lease term was 6.9 years, and the weighted average discount rate was 4.6%.

The following table summarizes the maturity of operating lease liabilities as of December 31, 2025:

	Land&Plant lease		Office and other leases		Total
2026		75		29		104
2027		75		—		75
2028		80		—		80
2029		81		—		81
2030		81		—		81
Thereafter		182		—		182
Total		574		29		603
Less: imputed interest		88		—		88
Present value of lease liabilities	$	486	$	29	$	515

Parent Only Information

12 Months Ended

Dec. 31, 2025

Parent Only Information [Abstract]

Parent Only Information

18. Parent Only Information

SAI.TECH Global Corporation (the “Parent Company”) was incorporated on January 26, 2021, and have become parent company of the Company since the completion of the Business Combination on April 29, 2022. Following the closing of the Business Combination, SAITECH Limited became a wholly owned subsidiary of TradeUP Global Corporation (“TradeUP”), which subsequently renamed to “SAI.TECH Global Corporation”. The transaction is accounted for as a recapitalization, SAITECH Limited is determined as the predecessor and the historical financial statements of SAITECH Limited became the Company’s historical financial statements, and SAITECH Limited’s financial statements are determined as the Company’s Parent Company financial statements. See Note 1a – “Reverse recapitalization” for more information. On August 30, SAI.TECH Global Corporation changed its name to SAIHEAT LIMITED.

The following disclosures presented the financial positions of the Parent Company as of December 31, 2024 and 2025, and results of operations and cash flows for the years ended December 31, 2025, 2024 and 2023, as if the current corporate structure has been in existence throughout the periods presented.

The audited condensed financial statements of the Parent Company have been prepared using the same accounting policies as set out in the Company’s consolidated financial statements.

Condensed Balance Sheets
(In thousands, except for share and per share data, or otherwise stated)

	As of December 31, 2024			As of December 31, 2025
	US$			US$
Assets
Cash		313			85
Amounts due from related parties		23,790			21,799
Long-term investment		50			50
Crypto Assets		403			792
Total Assets		24,556			22,726
Liabilities
Accounts payable		72			—
Accrued payroll		22			29
Operating lease liabilities-current		1			1
Investments in subsidiaries		10,095			15,297
Total Liabilities		10,190			15,327
Equity:
Class A Common Shares, $0.0015 par value; 22,024,624 shares authorized, 1,190,317 and 1,110,907 shares issued and outstanding in December 31, 2025 and December 31, 2024.		1			2
Class B Ordinary shares ($0.0015 par value; 642,043 shares authorized and outstanding on December 31, 2025 and December 31, 2024)		1			1
Additional paid-in capital		52,137			52,192
accumulated deficit		(37,231	)		(44,283	)
Accumulated other comprehensive loss		(542	)		(513	)
Total equity		14,366			7,399
Total Liabilities and Equity		24,556			22,726

Condensed Statements of Operations
(In thousands, except otherwise stated)

	For the years ended December 31,
	2023			2024			2025
	US$			US$			US$
Revenue		1,497			1,015			382
Cost of revenue		(1,134	)		(919	)		(431	)
General and administrative expenses		(1,583	)		(1,025	)		(1,329	)
Sales and marketing expenses		(63	)		(34	)		(41	)
Other expense, net		31			13			178
Share of loss from subsidiaries		(4,868	)		(4,936	)		(5,213	)
Net loss		(6,120	)		(5,886	)		(6,454	)

Condensed Statements of Cash Flows
(In thousands, except otherwise stated)

	For the years ended December 31,
	2023			2024			2025
	US$			US$			US$
Cash flows used in operating activities		(2,150	)		461			(2,219	)
Investment in subsidiaries		—			—			—
Collection of due from/(increase in due from) subsidiaries		(6,782	)		(601	)		1,991
Cash flows (used in) provide by investing activities		(6,782	)		(601	)		1,991
Reverse Recapitalization		9			—			—
Cash flows from financing activities		9			—			—
Effect of exchange rate changes		—			—			—
Net change in cash and cash equivalents		(8,923	)		(140	)		(228	)
Cash and cash equivalents at beginning of the period		9,376			453			313
Cash and cash equivalents at end of the period		453			313			85

Organization (Tables)

12 Months Ended

Dec. 31, 2025

Organization [Abstract]

Schedule of Loss Per Share Before and After the Retrospective Adjustments

The loss per share before and after the retrospective adjustments are as follows.

	Year Ended December 31,
	2020				2021
	Before adjustment		After adjustment		Before adjustment			After adjustment
Net loss per share attributable to ordinary shareholders of SAI.TECH Global Corporation.
– Basic and diluted		—		—		(0.0019	)		(1.4274	)
Weighted average shares used in calculating net loss per share
– Basic and diluted		93,061,216		12,447,760		93,061,216			12,447,760

Schedule of Major Subsidiaries

As of December 31, 2025, all subsidiaries of the Company were summarized as follows:

Name of the entity	Date of incorporation	Percentage of ownership			Place of incorporation	Principle business activities
Subsidiaries
Superlative Accelerating Infinite Limited	February 5, 2021		100	%	BVI	Investment holding
Sustainable Available Innovative Limited	July 14, 2021		100	%	BVI	Investment holding
Silicon Asset Investment Limited	March 3, 2021		100	%	Hong Kong	Investment holding
Sustainable Available Innovative Pte. Ltd.	August 18, 2021		100	%	Singapore	Investment holding
Hangzhou Dareruohan Technology Co., Ltd.	April 2, 2021		100	%	PRC	Research and Development
SAI US INC.	February 24, 2022		100	%	U.S.	Engaged in crypto asset mining business
SAITECH LIMITED	February 2, 2021		100	%	CAY	Investment holding

Segment Information (Tables)

12 Months Ended

Dec. 31, 2025

Segment Information [Abstract]

Schedule of Reportable Segments

The following table details revenue and cost of revenues for the Company’s reportable segments for the years ended December 31, 2025, 2024 and 2023, and reconciles to net income (loss) in the consolidated statements of operations:

	For the years ended December 31,
	2023			2024			2025
	US$			US$			US$
Reportable segment revenue:
Revenue – sales of products	$	4,802		$	2,503		$	3,116
Revenue – hosting service		366			52			—
Revenue – mining pool		308			69			—
Revenue – mining revenue		1,300			2,919			1,406
Total segment and consolidated revenue		6,776			5,543			4,522
Reportable segment cost of revenue
Cost of revenues – sales of products		4,290			2,276			3,391
Cost of revenues – hosting service		329			38			—
Cost of revenues – mining pool		308			68			—
Cost of revenues – mining revenue		1,392			4,171			3,477
Total segment and consolidated cost of revenues		6,319			6,553			6,868
Reconciling Items:
Selling, general and administrative expenses		(6,837	)		(6,257	)		(2,703	)
Research development expenses		(853	)		(642	)		(217	)
Impairment losses of assets		(138	)		—			(1,557	)
Other income		1,251			2,023			369
Income tax expense		—			—			—
Net loss	$	(6,120	)	$	(5,886	)	$	(6,454	)

Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2025

Property and Equipment, Net [Abstract]

Schedule of Property and Equipment, Net

Property and equipment, net, consisted of the following

	As of December 31, 2024			As of December 31, 2025
	US$			US$
Electronic equipment		3,148			1,697
Furniture, fixtures and other equipment		2,294			1,208
Plants		1,982			1,899
Property and equipment, cost		7,424			4,804
Less: accumulated depreciation		(2,982	)		(2,496	)
Impairment		(468	)		(1,350	)
		3,974			958

Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2025

Loss Per Share [Abstract]

Schedule of Basic and Diluted Loss Per Ordinary Share

Basic and diluted loss per ordinary share for each of the period presented is calculated as follows:

	For the years ended December 31,
	2023			2024			2025
	US$			US$			US$
Numerators
Net loss		(6,120	)		(5,886	)		(6,454	)
Less: Net income allocated to Series Angel and Series Pre-A preferred share		—			—			—
Adjusted net loss		(6,120	)		(5,886	)		(6,454	)
Denominators
Weighted average number of ordinary shares outstanding-Basic and diluted*		1,614,089			1,702,018			1,836,330
Loss per ordinary share-Basic and diluted		(3.7916	)		(3.4582	)		(3.5146	)

*	The ordinary shares are presented on a retroactive basis to reflect the Company’s share consolidation on April 29, 2022

Income Taxes (Tables)

12 Months Ended

Dec. 31, 2025

Income Taxes [Abstract]

Schedule of Income Tax Expense Determined at the U.S. Federal Income Tax Rate

A reconciliation of the income tax expense determined at the U.S. federal income tax rate to the Company’s actual income tax expense is as follows:

	For Year Ended December 31,
	2023			2024			2025
	US$			US$			US$
Loss before income tax expense		(6,120	)		(5,886	)		(6,454	)
U.S. federal income tax rate		21	%		21	%		21	%
Income tax benefit computed at the applicable tax rate		(1,285	)		(1,236	)		(1,355	)
Expenses not deductible		555			726			5
Effect of differences in corporate income tax rates		(60	)		(216	)		(324	)
Change in valuation allowance		790			726			1,674
Income tax expense		—			—			—

Schedule of Deferred Tax Assets

The Group’s deferred tax assets on December 31, 2025 and 2024 were as follows:

	As of December 31, 2024			As of December 31, 2025
	US$			US$
Deferred tax assets		3,755			5,428
Less: valuation allowance		(3,755	)		(5,428	)
Deferred tax assets, net		—			—

Schedule of Roll-Forward of the Valuation Allowance

The following represents a roll-forward of the valuation allowance：

	For the years ended December 31,
	2023		2024		2025
	US$		US$		US$
Beginning balance		2,238		3,029		3,755
charge to tax expense in current year		790		726		1,674
Ending balance		3,029		3,755		5,428

Operating Leases (Tables)

12 Months Ended

Dec. 31, 2025

Operating Leases [Abstract]

Schedule of Operating Lease Related Assets and Liabilities

The following table presents the operating lease related assets and liabilities recorded on the Company’s consolidated balance sheet.

	As of December 31, 2024		As of December 31, 2025
	US$		US$
Right-of-use assets, net		585		513
Impairment of right-of-use assets		—		—
Right-of-use assets, net		585		513
Operating lease liabilities – current		82		83
Operating lease liabilities – non-current		486		432
Total operating lease liabilities		568		515

Schedule of Maturity of Operating Lease Liabilities

The following table summarizes the maturity of operating lease liabilities as of December 31, 2025:

	Land&Plant lease		Office and other leases		Total
2026		75		29		104
2027		75		—		75
2028		80		—		80
2029		81		—		81
2030		81		—		81
Thereafter		182		—		182
Total		574		29		603
Less: imputed interest		88		—		88
Present value of lease liabilities	$	486	$	29	$	515

Parent Only Information - Schedule of Condensed Statements of Cash Flows (Details) - Parent Company [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Condensed Statements of Cash Flows [Line Items]
Cash flows used in operating activities	$ (2,219)	$ 461	$ (2,150)
Investment in subsidiaries
Collection of due from/(increase in due from) subsidiaries	1,991	(601)	(6,782)
Cash flows (used in) provide by investing activities	1,991	(601)	(6,782)
Reverse Recapitalization			9
Cash flows from financing activities			9
Effect of exchange rate changes
Net change in cash and cash equivalents	(228)	(140)	(8,923)
Cash and cash equivalents at beginning of the period	313	453	9,376
Cash and cash equivalents at end of the period	$ 85	$ 313	$ 453

Inventories

12 Months Ended

Dec. 31, 2025

Inventories [Abstract]

Inventories

3. Inventories

Inventories consisted of the following:

	As of December 31, 2024		As of December 31, 2025
	US$		US$
Outdoor computing infrastructure container		766		63
Accessories		6		—
		772		63

Inventories are stated at the lower of cost or net realizable value. The company records provisions for inventory obsolescence and shrinkage based on expected usage and sales forecasts. During the year ended December 31, 2025, the Company recorded a charge of $207 to write down inventories to their net realizable value. There was no such charge recorded for the year ended December 31, 2024.

Inventories (Tables)

12 Months Ended

Dec. 31, 2025

Inventories [Abstract]

Schedule of Inventories

Inventories consisted of the following:

	As of December 31, 2024		As of December 31, 2025
	US$		US$
Outdoor computing infrastructure container		766		63
Accessories		6		—
		772		63

Amount Due from/(to) Related Parties (Tables)

12 Months Ended

Dec. 31, 2025

Amount Due from/(to) Related Parties [Abstract]

Schedule of the Related Parties with whom the Company Conducted Transactions

The following is a list of the related parties with whom the Company conducted transactions for the years ended December 31, 2025 and 2024, and their relations with the Company:

Name of the related parties		Relation with the Company
Mr. Peng Zhang		Controlling Shareholder
Energy Science Artist Holding Limited		Shareholder of the Company

Organization - Schedule of Loss Per Share Before and After the Retrospective Adjustments (Details) - $ / shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Before Adjustment [Member]
Net loss per share attributable to ordinary shareholders of SAI.TECH Global Corporation.
Net loss per share, Basic	$ (0.0019)
Net loss per share, Diluted	$ (0.0019)
Weighted average shares used in calculating net loss per share
Weighted average shares, Basic	93,061,216	93,061,216
Weighted average shares, Diluted	93,061,216	93,061,216
After Adjustment [Member]
Net loss per share attributable to ordinary shareholders of SAI.TECH Global Corporation.
Net loss per share, Basic	$ (1.4274)
Net loss per share, Diluted	$ (1.4274)
Weighted average shares used in calculating net loss per share
Weighted average shares, Basic	12,447,760	12,447,760
Weighted average shares, Diluted	12,447,760	12,447,760

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 260
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482662/260-10-50-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 250
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (c)(2)
-Publisher FASB
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+ Details

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

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+ Details

Accounting Policies, by Policy (Policies)

12 Months Ended

Dec. 31, 2025

Summary of Significant Accounting Policies [Abstract]

Basis of presentation

a) Basis of presentation

The Company’s consolidated financial statements are prepared and presented in accordance with generally accepted accounting principles in the United States of America (“U.S. GAAP”).

Principles of consolidation

b) Principles of consolidation

Liquidity

c) Liquidity

Use of estimates

d) Use of estimates

Foreign currency translation and transactions

e) Foreign currency translation and transactions

		As of December 31, 2024				As of December 31, 2025
Balance sheet items, except for equity accounts			7.1884				7.0288

	For the Years Ended December 31,
	2023		2024		2025
Items in the consolidated statements of operations and comprehensive loss, and cash flows		7.0422		7.1205		7.1440

No representation is intended to imply that the RMB amounts could have been, or could have been, converted, realized or settled into US$ at that rate stated above, or at any other rate.

Cash and cash equivalents

f) Cash and cash equivalents

Restricted cash

g) Restricted cash

Accounts receivable

h) Accounts receivable

Inventories

i) Inventories

Crypto assets

j) Crypto assets

Stablecoin assets

k) Stablecoin assets

Restricted Crypto Assets

l) Restricted Crypto Assets

Property and equipment, net

m) Property and equipment, net

Item	Useful lives	Ratio of residual values
Furniture, fixture and other equipment	3 years		5	%
Electronic equipment	3 – 5 years		5	%
Plant	Shorter of useful life or lease term		0	%

Construction in progress

n) Construction in progress

Impairment loss on long-lived assets

o) Impairment loss on long-lived assets

Fair value of financial instruments

p) Fair value of financial instruments

Level 1 — Quoted prices in active markets for identical assets or liabilities.

Level 3 — Unobservable inputs that are supported by little or no market activity and that are significant to the fair value of the assets or liabilities.

Determining which category an asset or liability falls within the hierarchy requires significant judgment. The Company evaluates its hierarchy disclosures each quarter.

Revenue recognition

q) Revenue recognition

Sales of products

Hosting service

Mining pool services

Mining Revenue

Income taxes

r) Income taxes

Uncertain tax positions

s) Uncertain tax positions

Segment reporting

t) Segment reporting

Earnings per share

u) Earnings per share

Share based compensation

v) Share based compensation

Commitments and contingencies

w) Commitments and contingencies

Leases

x) Leases

Reclassification

y) Reclassification

Advance from customers

z) Advance from customers

Income Taxes - Schedule of Deferred Tax Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of Deferred Tax Assets [Abstract]
Deferred tax assets	$ 5,428	$ 3,755	$ 3,029	$ 2,238
Less: valuation allowance	(5,428)	(3,755)
Deferred tax assets, net

Share-Based Payment (Details) - USD ($) $ in Thousands					1 Months Ended								12 Months Ended
Share-Based Payment (Details) - USD ($) $ in Thousands	Dec. 01, 2024	Dec. 31, 2023	Sep. 06, 2023	Apr. 22, 2022	Oct. 31, 2025	Dec. 31, 2024	Oct. 31, 2024	Mar. 31, 2024	Feb. 29, 2024	Jun. 30, 2023	Feb. 28, 2023	Dec. 31, 2022	Dec. 31, 2025
Share-Based Payment [Line Items]
Unrecognized share-based compensation expenses (in Dollars)													$ 540
2021 Share Incentive Plan [Member]
Share-Based Payment [Line Items]
Percentage of shares outstanding				3.00%
2021 Share Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Number of adjusted shares												1,402,000
Number of shares grant												93,467
2021 Share Incentive Plan [Member] \| Class A Ordinary Shares [Member]
Share-Based Payment [Line Items]
Number of share issued				120,844
Number of adjusted shares				1,812,663
2023 Share Incentive Plan [Member]
Share-Based Payment [Line Items]
Percentage of shares outstanding			6.00%
2023 Share Incentive Plan [Member] \| Class A Ordinary Shares [Member]
Share-Based Payment [Line Items]
Number of share issued			91,786
Number of adjusted shares			1,376,792
An employee [Member] \| 2021 Share Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs									10,000		26,667
Share grant adjusted									150,000		400,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period									4 years		4 years
Six employees [Member] \| 2021 Share Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs										45,893
Share grant adjusted										688,396
One consultant [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs		13,333					3,333
Share grant adjusted		200,000					50,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period							2 years
Four employees [Member] \| 2021 Share Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs									22,734
Share grant adjusted									341,017
Two consultants [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs								2,333
Share grant adjusted								35,000
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period								1 year
Ten Employees and One Consultant [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs							52,718
Share grant adjusted							790,770
Eighteen employees [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs						22,300
Share grant adjusted						334,500
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period						3 years
Twenty-four employees and two consultants [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs	137,167
Share grant adjusted						2,057,500
Four employees and one consultants [Member] \| 2021 Share Incentive Plan [Member] \| Restricted Stock Units (RSUs) [Member]
Share-Based Payment [Line Items]
Granted RSUs					10,614

Segment Information

12 Months Ended

Dec. 31, 2025

Segment Information [Abstract]

Segment Information

17. Segment Information

The Company applies ASC 280, Segment Reporting, in determining its reportable segments. The Company has four reportable segments: equipment sales, hosting, mining pool business and mining. The guidance requires that segment disclosures present the measure(s) used by the Chief Operating Decision Maker (“CODM”) to decide how to allocate resources and for purposes of assessing such segments’ performance. The Company’s CODM is comprised of several members of its executive management team who use revenue and cost of revenues of our four reporting segments to assess the performance of the business of our reportable operating segments. As a result, the Company has four reportable segments, including equipment sales, hosting, mining pool business and mining.

	For the years ended December 31,
	2023			2024			2025
	US$			US$			US$
Reportable segment revenue:
Revenue – sales of products	$	4,802		$	2,503		$	3,116
Revenue – hosting service		366			52			—
Revenue – mining pool		308			69			—
Revenue – mining revenue		1,300			2,919			1,406
Total segment and consolidated revenue		6,776			5,543			4,522
Reportable segment cost of revenue
Cost of revenues – sales of products		4,290			2,276			3,391
Cost of revenues – hosting service		329			38			—
Cost of revenues – mining pool		308			68			—
Cost of revenues – mining revenue		1,392			4,171			3,477
Total segment and consolidated cost of revenues		6,319			6,553			6,868
Reconciling Items:
Selling, general and administrative expenses		(6,837	)		(6,257	)		(2,703	)
Research development expenses		(853	)		(642	)		(217	)
Impairment losses of assets		(138	)		—			(1,557	)
Other income		1,251			2,023			369
Income tax expense		—			—			—
Net loss	$	(6,120	)	$	(5,886	)	$	(6,454	)

- Definition

The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
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-Section 50
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

Concentration of Risk (Tables)

12 Months Ended

Dec. 31, 2025

Concentration of Risk [Abstract]

Schedule of Information About the Group’s Concentration of Customers

The following tables summarized the information about the Group’s concentration of customers as of and for the years ended December 31, 2025 and 2024, respectively:

	J		K			L			M			N
Year Ended December 31, 2025
Revenues, customer concentration		—		—			—			65	%		—
Year Ended December 31, 2025
Purchases, supplier concentration		*		10	%		52	%		—			—
As of December 31, 2025
Accounts receivable, customer concentration		—		—			—			—			—
As of December 31, 2025
Accounts payable, supplier concentration		*		*			83	%		—			—

	A			B			C			F		H		I			J			K			L
Year Ended December 31, 2024
Revenues, customer concentration		16	%		—			—			*		*		20	%		—			—			—
Year Ended December 31, 2024
Purchases, supplier concentration		—			12	%		34	%		—		—		—			11	%		13	%		—
As of December 31, 2024
Accounts receivable, customer concentration		100	%		—			—			—		—		—			—			—			—
As of December 31, 2024
Accounts payable, supplier concentration		—			15	%		—			—		—		—			—			—			76	%

	A			B			C			D			E			F			G			H
Year Ended December 31, 2023
Revenues, customer concentration		*			—			—			—			—			33	%		23	%		17	%
Year Ended December 31, 2023
Purchases, supplier concentration		—			12	%		56	%		12	%		—			—			—			—
As of December 31, 2023
Accounts receivable, customer concentration		25	%		—			—			—			—			11	%		—			63	%
As of December 31, 2023
Accounts payable, supplier concentration		—			41	%		—			—			50	%		—			—			—

Restricted Net Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Restricted Net Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Restricted Net Assets [Line Items]
Net assets (in Dollars)	$ 13,721	$ 12,501
Geographic Distribution, Foreign [Member]
Restricted Net Assets [Line Items]
Annual after tax profit, percentage	10.00%
Registered capital	50.00%
Geographic Distribution, Domestic [Member]
Restricted Net Assets [Line Items]
Annual after tax profit, percentage	10.00%
Registered capital	50.00%

Summary of Significant Accounting Policies - Schedule of Estimated Useful Lives of Property and Equipment (Details)	Dec. 31, 2025
Schedule of Estimated Useful Lives of Property and Equipment [Line Items]
Property, Plant, and Equipment, Useful Life, Term, Description [Extensible Enumeration]	Shorter of useful life or lease term
Furniture, Fixture and Other Equipment [Member]
Schedule of Estimated Useful Lives of Property and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Ratio of residual values	5.00%
Electronic Equipment [Member]
Schedule of Estimated Useful Lives of Property and Equipment [Line Items]
Ratio of residual values	5.00%
Electronic Equipment [Member] \| Minimum [Member]
Schedule of Estimated Useful Lives of Property and Equipment [Line Items]
Property, plant and equipment, useful life	3 years
Electronic Equipment [Member] \| Maximum [Member]
Schedule of Estimated Useful Lives of Property and Equipment [Line Items]
Property, plant and equipment, useful life	5 years
Plant [Member]
Schedule of Estimated Useful Lives of Property and Equipment [Line Items]
Ratio of residual values	0.00%

Employee Defined Contribution Plan

12 Months Ended

Dec. 31, 2025

Employee Defined Contribution Plan [Abstract]

Employee Defined Contribution Plan

10. Employee Defined Contribution Plan

Full time employees of the Company’s subsidiaries in U.S., Singapore and PRC participate in a government mandated defined contribution plan, pursuant to which certain pension benefits, medical care, employee housing fund and other welfare benefits are provided to employees. The related labor regulations of U.S., Singapore and PRC require that the Company make contributions to the government for these benefits based on certain percentages of the employees’ salaries. The employee benefits were expensed as incurred. The Company has no legal obligation for the benefits beyond the contributions made. The total amounts for such employee benefits were $171, $171 and $334, respectively, for the years ended December 31, 2025, 2024 and 2023.

Parent Only Information (Tables)

12 Months Ended

Dec. 31, 2025

Parent Only Information [Abstract]

Schedule of Condensed Balance Sheets

Condensed Balance Sheets

	As of December 31, 2024			As of December 31, 2025
	US$			US$
Assets
Cash		313			85
Amounts due from related parties		23,790			21,799
Long-term investment		50			50
Crypto Assets		403			792
Total Assets		24,556			22,726
Liabilities
Accounts payable		72			—
Accrued payroll		22			29
Operating lease liabilities-current		1			1
Investments in subsidiaries		10,095			15,297
Total Liabilities		10,190			15,327
Equity:
Class A Common Shares, $0.0015 par value; 22,024,624 shares authorized, 1,190,317 and 1,110,907 shares issued and outstanding in December 31, 2025 and December 31, 2024.		1			2
Class B Ordinary shares ($0.0015 par value; 642,043 shares authorized and outstanding on December 31, 2025 and December 31, 2024)		1			1
Additional paid-in capital		52,137			52,192
accumulated deficit		(37,231	)		(44,283	)
Accumulated other comprehensive loss		(542	)		(513	)
Total equity		14,366			7,399
Total Liabilities and Equity		24,556			22,726

Schedule of Condensed Statements of Operations

Condensed Statements of Operations

	For the years ended December 31,
	2023			2024			2025
	US$			US$			US$
Revenue		1,497			1,015			382
Cost of revenue		(1,134	)		(919	)		(431	)
General and administrative expenses		(1,583	)		(1,025	)		(1,329	)
Sales and marketing expenses		(63	)		(34	)		(41	)
Other expense, net		31			13			178
Share of loss from subsidiaries		(4,868	)		(4,936	)		(5,213	)
Net loss		(6,120	)		(5,886	)		(6,454	)

Schedule of Condensed Statements of Cash Flows

Condensed Statements of Cash Flows

	For the years ended December 31,
	2023			2024			2025
	US$			US$			US$
Cash flows used in operating activities		(2,150	)		461			(2,219	)
Investment in subsidiaries		—			—			—
Collection of due from/(increase in due from) subsidiaries		(6,782	)		(601	)		1,991
Cash flows (used in) provide by investing activities		(6,782	)		(601	)		1,991
Reverse Recapitalization		9			—			—
Cash flows from financing activities		9			—			—
Effect of exchange rate changes		—			—			—
Net change in cash and cash equivalents		(8,923	)		(140	)		(228	)
Cash and cash equivalents at beginning of the period		9,376			453			313
Cash and cash equivalents at end of the period		453			313			85

Operating Leases - Schedule of Maturity of Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Schedule of Maturity of Operating Lease Liabilities [Line Items]
2026	$ 104
2027	75
2028	80
2029	81
2030	81
Thereafter	182
Total	603
Less: imputed interest	88
Present value of lease liabilities	515	$ 568
Land & Plant lease [Member]
Schedule of Maturity of Operating Lease Liabilities [Line Items]
2026	75
2027	75
2028	80
2029	81
2030	81
Thereafter	182
Total	574
Less: imputed interest	88
Present value of lease liabilities	486
Office and other leases [Member]
Schedule of Maturity of Operating Lease Liabilities [Line Items]
2026	29
2027
2028
2029
2030
Thereafter
Total	29
Less: imputed interest
Present value of lease liabilities	$ 29

Crypto Assets - Schedule of Significant Crypto Asset Holdings (Details) $ in Thousands	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Bitcoin holdings [Member]
Schedule of Significant Crypto Asset Holdings [Line Items]
Number of crypto asset held	43	67
Carrying basis - per crypto assets	$ 101,791	$ 59,937
Fair value - per crypto assets	88,301	93,765
Carrying basis of crypto assets	4,393	4,009
Fair value of crypto assets	$ 3,808	$ 6,268
Others crypto assets holding [Member]
Schedule of Significant Crypto Asset Holdings [Line Items]
Number of crypto asset held	931	10,882
Carrying basis of crypto assets	$ 68	$ 202
Fair value of crypto assets	$ 61	$ 221
USDT holdings [Member]
Schedule of Significant Crypto Asset Holdings [Line Items]
Number of crypto asset held	90,163	415,770
Carrying basis - per crypto assets	$ 1	$ 1
Fair value - per crypto assets	1	1
Carrying basis of crypto assets	90	416
Fair value of crypto assets	$ 90	$ 416

Operating Leases (Details) - USD ($) $ in Thousands	12 Months Ended
Operating Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Operating Leases [Line Items]
Short-term lease costs	$ 54	$ 51
Operating lease, payments	$ 123	$ 272
Weighted average remaining lease term	6 years 10 months 24 days
Weighted average discount rate	4.60%
Minimum [Member]
Operating Leases [Line Items]
Remaining lease terms	1 year 3 months
Maximum [Member]
Operating Leases [Line Items]
Remaining lease terms	7 years 3 months

Inventories - Schedule of Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Inventory [Line Items]
Inventories	$ 63	$ 772
Outdoor computing infrastructure container [Member]
Inventory [Line Items]
Inventories	63	766
Accessories [Member]
Inventory [Line Items]
Inventories		$ 6

Restricted Net Assets

12 Months Ended

Dec. 31, 2025

Restricted Net Assets [Abstract]

Restricted Net Assets

9. Restricted Net Assets

The Company’s operations are conducted through its PRC subsidiary and historically the VIE. Relevant PRC statutory laws and regulations permit payments of dividends by its PRC subsidiary and VIE only out of their retained earnings, if any, as determined in accordance with PRC accounting standards and regulations, and after it has met the PRC requirements for appropriation to statutory reserves. Paid in capital, additional paid-in capital of the PRC subsidiary and VIE, including the mezzanine equity which are part of the paid in capital and additional paid-in capital of the VIE, included in the Company’s consolidated net assets are also non-distributable for dividend purposes.

In accordance with the PRC regulations on Enterprises with Foreign Investment, a WOFE established in the PRC is required to provide certain statutory reserves, namely general reserve fund, the enterprise expansion fund and staff welfare and bonus fund which are appropriated from net profit as reported in the enterprise’s PRC statutory accounts. A WOFE is required to allocate at least 10% of its annual after-tax profit to the general reserve until such reserve has reached 50% of its registered capital based on the enterprise’s PRC statutory accounts. Appropriations to the enterprise expansion fund and staff welfare and bonus fund are at the discretion of the board of directors. The aforementioned reserves can only be used for specific purposes and are not distributable as cash dividends. The Company’s WOFE is subject to the above mandated restrictions on distributable profits.

Additionally, in accordance with the Company Law of the PRC, a domestic enterprise is required to provide a statutory common reserve of at least 10% of its annual after-tax profit until such reserve has reached 50% of its registered capital based on the enterprise’s PRC statutory accounts. A domestic enterprise is also required to provide for a discretionary surplus reserve, at the discretion of the board of directors. The aforementioned reserves can only be used for specific purposes and are not distributable as cash dividends. The Company’s PRC consolidated entities are subject to the above mandated restrictions on distributable profits.

As a result of these PRC laws and regulations, the Company’s PRC subsidiaries are restricted in their ability to transfer a portion of their net assets to the Company. As of December 31, 2025 and 2024, net assets restricted in the aggregate, which include paid-in capital, additional paid-in capital and statutory reserve funds of the Company’s PRC subsidiaries that are included in the Company’s consolidated net assets were approximately $13,721 and $12,501, respectively.

Cover	12 Months Ended
Cover	Dec. 31, 2025 shares
Document Information [Line Items]
Document Type	20-F
Document Registration Statement	false
Document Annual Report	true
Document Transition Report	false
Document Financial Statement Error Correction [Flag]	false
Document Shell Company Report	false
Entity Interactive Data Current	Yes
Document Accounting Standard	U.S. GAAP
ICFR Auditor Attestation Flag	false
Amendment Flag	false
Document Period End Date	Dec. 31, 2025
Document Fiscal Year Focus	2025
Document Fiscal Period Focus	FY
Entity Information [Line Items]
Entity Registrant Name	SAIHEAT Limited
Entity Central Index Key	0001847075
Entity File Number	001-40368
Entity Incorporation, State or Country Code	E9
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Contact Personnel [Line Items]
Entity Address, Address Line One	c/o #266A South Bridge Road
Entity Address, City or Town	Singapore
Entity Address, Country	SG
Entity Address, Postal Zip Code	058815
Ordinary Shares, par value $0.0015 per share
Entity Listings [Line Items]
Title of 12(b) Security	Ordinary Shares, par value $0.0015 per share
Trading Symbol	SAIH
Security Exchange Name	NASDAQ
Warrants exercisable to purchase Ordinary Shares
Entity Listings [Line Items]
Title of 12(b) Security	Warrants exercisable to purchase Ordinary Shares
Trading Symbol	SAIHTW
Security Exchange Name	NASDAQ
Class A Ordinary Shares
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding	1,190,317
Class B Ordinary Shares
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding	642,043
Business Contact [Member]
Entity Contact Personnel [Line Items]
Contact Personnel Name	Jianwei Li
Entity Address, Address Line One	c/o #266A South Bridge Road
Entity Address, City or Town	Singapore
Entity Address, Country	SG
Entity Address, Postal Zip Code	058815
Entity Phone Fax Numbers [Line Items]
City Area Code	+65
Local Phone Number	9656 5641

Summary of Significant Accounting Policies - Schedule of Currency Exchange Rates (Details)	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Balance Sheet Items Except for Equity Accounts [Member]
Schedule of Currency Exchange Rates [Line Items]
Currency Exchange Rates	7.0288	7.1884
Consolidated Statements of Operations and Comprehensive Loss, and Cash Flows [Member]
Schedule of Currency Exchange Rates [Line Items]
Currency Exchange Rates	7.144	7.1205	7.0422

Concentration of Risk

12 Months Ended

Dec. 31, 2025

Concentration of Risk [Abstract]

Concentration of Risk

12. Concentration of Risk

Credit risk

Financial instruments that potentially subject the Company to significant concentrations of credit risk consist primarily of cash and cash equivalents, accounts receivable and due from related parties, stablecoin assets. As of December 31, 2025, all of the Company’s cash and cash equivalents were held by major financial institutions located in PRC, U.S., and Cayman. The Company believes that these financial institutions are of high credit quality. For accounts receivable, the Company extends credit based on an evaluation of the customer’s financial condition, generally without requiring collateral or other security. Further, the Company reviews the recoverable amount of each individual receivable at each balance sheet date to ensure that adequate allowances are made for credit loss. In this regard, the Company considers that the Company’s credit risk for accounts receivable is significantly reduced. For amount due from related parties, the Company provides advances to the officers for daily operation. For stablecoin assets, we monitor the market closely, to ensure the credit risk of stablecoin assets can be detected when occurred, and adequate impairment is made when necessary. The credit risk is mitigated by ongoing monitoring process of outstanding balance and timely collection when there is no immediate need for such advances.

Concentration of customers

The following tables summarized the information about the Group’s concentration of customers as of and for the years ended December 31, 2025 and 2024, respectively:

	J		K			L			M			N
Year Ended December 31, 2025
Revenues, customer concentration		—		—			—			65	%		—
Year Ended December 31, 2025
Purchases, supplier concentration		*		10	%		52	%		—			—
As of December 31, 2025
Accounts receivable, customer concentration		—		—			—			—			—
As of December 31, 2025
Accounts payable, supplier concentration		*		*			83	%		—			—

	A			B			C			F		H		I			J			K			L
Year Ended December 31, 2024
Revenues, customer concentration		16	%		—			—			*		*		20	%		—			—			—
Year Ended December 31, 2024
Purchases, supplier concentration		—			12	%		34	%		—		—		—			11	%		13	%		—
As of December 31, 2024
Accounts receivable, customer concentration		100	%		—			—			—		—		—			—			—			—
As of December 31, 2024
Accounts payable, supplier concentration		—			15	%		—			—		—		—			—			—			76	%

	A			B			C			D			E			F			G			H
Year Ended December 31, 2023
Revenues, customer concentration		*			—			—			—			—			33	%		23	%		17	%
Year Ended December 31, 2023
Purchases, supplier concentration		—			12	%		56	%		12	%		—			—			—			—
As of December 31, 2023
Accounts receivable, customer concentration		25	%		—			—			—			—			11	%		—			63	%
As of December 31, 2023
Accounts payable, supplier concentration		—			41	%		—			—			50	%		—			—			—

*	Less than 10%.

—	No transaction incurred during the year/no balance existed as of the balance sheet date.

- Definition

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

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+ Details

Inventories (Details) - USD ($) $ in Thousands	12 Months Ended
Inventories (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Inventories [Abstract]
Inventory Write-down	$ 207

Other payables and accrued liabilities

12 Months Ended

Dec. 31, 2025

Other Payables and Accrued Liabilities [Abstract]

Other payables and accrued liabilities

16. Other payables and accrued liabilities

Other payables and accrued liabilities consisted of the following:

	As of December 31, 2024		As of December 31, 2025
	US$		US$
Accrued payroll and employee benefits		113		102
Other Tax Payable		9		6
Other payables		55		287
Total		177		395

Other payables and accrued liabilities primarily include employee-related expenses, tax payable, and other amounts due to third parties in the ordinary course of business. Other payables mainly represent accrued service fees and other operating expenses that were incurred but not yet invoiced or paid as of the balance sheet date. The increase in other payables in 2025 was primarily due to higher accrued operating and service-related expenses. All balances are short-term in nature and are expected to be settled within one year.

Other payables and accrued liabilities (Tables)

12 Months Ended

Dec. 31, 2025

Other Payables and Accrued Liabilities [Abstract]

Schedule of Other Payables and Accrued Liabilities

Other payable and accrued liabilities consisted of the following:

	As of December 31, 2024		As of December 31, 2025
	US$		US$
Accrued payroll and employee benefits		113		102
Other Tax Payable		9		6
Other payables		55		287
Total		177		395

Organization (Details) - USD ($)
$ / shares in Units, $ in Thousands

12 Months Ended

Apr. 29, 2022

Dec. 31, 2025

Dec. 31, 2024

Dec. 31, 2021

Dec. 31, 2020

Dec. 31, 2022

Organization [Line Items]

Exchange ratio (in Dollars per share)

$ 0.13376

Recapitalization transaction (in Dollars)

$ 188,000

Recapitalization transaction per share (in Dollars per share)

$ 10

Total ordinary shares outstanding

140,551,496

Shares received

272,247

Warrants purchase

2,244,485

Business combination description

the Business Combination, holders of 28,000,000 SAITECH Limited Class A Ordinary Shares, remaining after the redemption of 24,254,751 shares, received 3,745,249 Class A Ordinary Shares, holders of 2,040,816 SAITECH Limited Series Seed Preferred Shares, remaining after the redemption of 1,767,838 shares, received 272,978 Class A Ordinary Shares, holders of 7,288,630 SAITECH Limited Series Angel Preferred Shares, remaining after the redemption of 6,313,711 shares, received 974,919 Class A Ordinary Shares, holders of 14,599,115 SAITECH Limited Series Pre-A Preferred Shares, remaining after the redemption of 12,646,352 shares, received 1,952,763 Class A Ordinary Shares, and holders of 16,622,935 SAITECH Limited Series A Preferred Shares, remaining after the redemption of 14,399,469 shares, received 2,223,466 Class A Ordinary Shares.

Exercise price per share (in Dollars per share)

$ 172.5

Par value of ordinary shares (in Dollars per share)

$ 0.0001

Weighted Average Number of Shares Outstanding, Diluted, Adjustment

93,061,216

18,800,009

Warrant [Member]

Organization [Line Items]

Shares issuable upon exercise of warrants to purchase

2,244,485

Maximum [Member]

Organization [Line Items]

Subscription receivable (in Dollars)

$ 9

Minimum [Member]

Organization [Line Items]

Subscription receivable (in Dollars)

Class A Ordinary Shares [Member]

Organization [Line Items]

Total ordinary shares outstanding

3,492,031

Redemption shares

2,071,735

Shares received

3,492,031

Shares issued

^[1]

1,190,317

1,110,907

Par value of ordinary shares (in Dollars per share)

^[1]

$ 0.0015

Class B Ordinary Shares [Member]

Organization [Line Items]

Total ordinary shares outstanding

272,247

Par value of ordinary shares (in Dollars per share)

^[1]

$ 0.0015

TradeUP Warrants [Member]

Organization [Line Items]

Total ordinary shares outstanding

2,244,485

Common Stock [Member] | Class A Ordinary Shares [Member]

Organization [Line Items]

Shares issued

12,933,653

Aggregate shares outstanding

12,933,653

[1]	The shares and per share data are presented on a retroactive basis to reflect the reverse stock split.

Commitments and Contingencies

12 Months Ended

Dec. 31, 2025

Commitments and Contingencies [Abstract]

Commitments and Contingencies

13. Commitments and Contingencies

Operating lease commitment:

The information on operating lease commitment is provided in Note 7.

Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2025

Summary of Significant Accounting Policies [Abstract]

Schedule of Currency Exchange Rates

The following table outlines the currency exchange rates that were used in creating the consolidated financial statements in this report:

		As of December 31, 2024				As of December 31, 2025
Balance sheet items, except for equity accounts			7.1884				7.0288

	For the Years Ended December 31,
	2023		2024		2025
Items in the consolidated statements of operations and comprehensive loss, and cash flows		7.0422		7.1205		7.1440

Schedule of Estimated Useful Lives of Property and Equipment

Depreciation is calculated on the straight-line method after taking into account their respective estimated residual values over the following estimated useful lives:

Item	Useful lives	Ratio of residual values
Furniture, fixture and other equipment	3 years		5	%
Electronic equipment	3 – 5 years		5	%
Plant	Shorter of useful life or lease term		0	%

Crypto Assets

12 Months Ended

Dec. 31, 2025

Crypto Assets [Abstract]

Crypto assets

5. Crypto assets

The Company adopted ASU 2023-08, which requires our crypto assets, including Bitcoin, USDT and other crypto assets, to be valued at fair value each reporting period with changes in fair value recorded in net income. The Company’s crypto assets are within the scope of ASU 2023-08 and the guidance requires a cumulative-effect adjustment as of the beginning of the current fiscal year for any difference between the carrying amount of the Company’s crypto assets and fair value. The value of crypto assets is recognized at the value reported in the trading platform’s financial statements as of December 31, 2025.

The following table presents the Company’s significant crypto asset holdings as of December 31, 2025:

(in thousands, except number and per bitcoin)

Bitcoin holdings	31-Dec-24		31-Dec-25
Number of bitcoin held		67		43
Carrying basis - per bitcoin	$	59,937	$	101,791
Fair value - per bitcoin	$	93,765	$	88,301
Carrying basis of bitcoin	$	4,009	$	4,393
Fair value of bitcoin	$	6,268	$	3,808

Others crypto assets holding	31-Dec-24		31-Dec-25
Number of other crypto assets held		10,882		931
Carrying basis of other crypto assets	$	202	$	68
Fair value of other crypto assets	$	221	$	61

USDT holdings	31-Dec-24		31-Dec-25
Number of USDT held		415,770		90,163
Carrying basis - USDT		1		1
Fair value - per USDT		1		1
Carrying basis of USDT		416		90
Fair value of USDT		416		90

The following tables present a summary of the impacts of the adoption of ASU 2023-08, on the Company’s Condensed Consolidated Statements of Operations provided during the year ended December 31, 2025.

(in thousands)

	BTC			USDT			Others
Beginning Balance: Crypto assets, on January 1, 2025		6,268			416			221
Addition of crypto assets		1,411			90			—
Disposition of crypto assets		(3,286	)		(416	)		(160	)
Unrealized gain on crypto assets		(585)			—			—
Crypto assets on December 31, 2025	$	3,808		$	90		$	61

Employee Defined Contribution Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Employee Defined Contribution Plan [Abstract]
Employee benefits	$ 171	$ 171	$ 334

Deposits, Prepayments and Other Current Assets, Net - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($)
$ in Thousands

Dec. 31, 2025

Dec. 31, 2024

Schedule of Prepaid Expenses and Other Current Assets [Abstract]

Deposits for office spaces leases

$ 61

$ 91

Advance to vendors

^[1]

1,015

Deductible VAT tax

1,020

688

Other current assets

^[2]

Deposits, prepayments and other current assets, cost

1,165

1,882

Deposits, prepayments and other current assets, net

$ 1,165

$ 1,882

[1]	Advance to vendors mainly consists of advance payments to suppliers of cooling containers. All such containers were delivered in 2025.
[2]	Other current assets mainly consist of the advance payment to the power supplier in connection with the Company’s self-mining and tax refund.

Share-Based Payment - Schedule of RSU Activity (Details) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Schedule of RSU Activity [Line Items]
Weighted Average Grant Date Fair Value, Nonvested beginning balance	$ 16.65	$ 32.14
Weighted Average Grant Date Fair Value, Granted	8.79	13.44
Weighted Average Grant Date Fair Value, Vested	18.17	19.05
Weighted Average Grant Date Fair Value, Forfeited	14.79	37.35
Weighted Average Grant Date Fair Value, Nonvested ending balance	$ 18.18	$ 16.65
Restricted Common Stock [Member]
Schedule of RSU Activity [Line Items]
Number of Shares, Nonvested beginning balance	221,346	66,791
Number of Shares, Granted	10,614	250,584
Number of Shares, Vested	(168,010)	(92,704)
Number of Shares, Forfeited	(34,511)	(3,325)
Number of Shares, Nonvested ending balance	29,439	221,346

Crypto Assets - Schedule of Condensed Consolidated Statements of Operations (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($)
BTC [Member]
Schedule of Condensed Consolidated Statements of Operations [Line Items]
Beginning Balance: Crypto assets, on January 1, 2025	$ 6,268
Crypto assets on December 31, 2025	3,808
Addition of crypto assets	1,411
Disposition of crypto assets	(3,286)
Unrealized gain on crypto assets	(585)
USDT [Member]
Schedule of Condensed Consolidated Statements of Operations [Line Items]
Beginning Balance: Crypto assets, on January 1, 2025	416
Crypto assets on December 31, 2025	90
Addition of crypto assets	90
Disposition of crypto assets	(416)
Unrealized gain on crypto assets
Others [Member]
Schedule of Condensed Consolidated Statements of Operations [Line Items]
Beginning Balance: Crypto assets, on January 1, 2025	221
Crypto assets on December 31, 2025	61
Addition of crypto assets
Disposition of crypto assets	(160)
Unrealized gain on crypto assets

Property and Equipment, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Property and Equipment, Net [Line Items]
Depreciation expenses	$ 1,430	$ 1,655	$ 1,255
Impairment on mining field equipment	$ 1,350

Audit Information	12 Months Ended
Audit Information	Dec. 31, 2025
Auditor [Table]
Auditor Name	Assentsure PAC
Auditor Firm ID	6783
Auditor Location	Singapore
Auditor Opinion [Text Block]	Opinion on the Financial Statements We have audited the accompanying consolidated balance sheet of SAIHEAT Limited (the “Company”) as of December 31, 2025, the related consolidated statement of operations and comprehensive income/(loss), changes in shareholders’ equity/(deficit), and cash flows for the year ended December 31, 2025, and the related notes to the consolidated financial statements and schedule (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial positions of the Company as of December 31, 2025, and the results of its operations and its cash flows for the year ended December 31, 2025 in conformity with accounting principles generally accepted in the United States of America.

Operating Leases - Schedule of Operating Lease Related Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Schedule of Operating Lease Related Assets and Liabilities [Abstract]
Right-of-use assets, net	$ 513	$ 585
Impairment of right-of-use assets
Right-of-use assets, net	513	585
Operating lease liabilities – current	83	82
Operating lease liabilities – non-current	432	486
Total operating lease liabilities	$ 515	$ 568

Loss Per Share - Schedule of Basic and Diluted Loss Per Ordinary Share (Details) - USD ($)
$ / shares in Units, $ in Thousands

12 Months Ended

Dec. 31, 2025

Dec. 31, 2024

Dec. 31, 2023

Numerators

Net loss

$ (6,454)

$ (5,886)

$ (6,120)

Less: Net income allocated to Series Angel and Series Pre-A preferred share

Adjusted net loss

$ (6,454)

$ (5,886)

$ (6,120)

Denominators

Weighted average number of ordinary shares outstanding-Basic (in Shares)

^[1]

1,836,330

1,702,018

1,614,089

Weighted average number of ordinary shares outstanding-diluted (in Shares)

^[1]

1,836,330

1,702,018

1,614,089

Loss per ordinary share-Basic (in Dollars per share)

^[1]

$ (3.5146)

$ (3.4582)

$ (3.7916)

Loss per ordinary share-diluted (in Dollars per share)

^[1]

$ (3.5146)

$ (3.4582)

$ (3.7916)

[1]	The shares and per share data are presented on a retroactive basis to reflect the reverse stock split.

- Definition

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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+ Details

- Definition

Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

+ References

+ Details

Consolidated Balance Sheets (Parentheticals) - $ / shares

Dec. 31, 2025

Dec. 31, 2024

Class A Ordinary Shares

Ordinary shares, par value (in Dollars per share)

^[1]

$ 0.0015

Ordinary shares, shares authorized (in Shares)

^[1]

22,024,624

Ordinary shares, shares issued (in Shares)

^[1]

1,190,317

1,110,907

Ordinary shares, shares outstanding (in Shares)

^[1]

1,190,317

1,110,907

Class B Ordinary Shares

Ordinary shares, par value (in Dollars per share)

^[1]

$ 0.0015

Ordinary shares, shares authorized (in Shares)

^[1]

642,043

Ordinary shares, shares outstanding (in Shares)

^[1]

642,043

[1]	The shares and per share data are presented on a retroactive basis to reflect the reverse stock split.

Income Taxes

12 Months Ended

Dec. 31, 2025

Income Taxes [Abstract]

Income Taxes

8. Income Taxes

The entities within the Company file separate tax returns in the respective tax jurisdictions in which they operate.

Cayman Islands

The Company is incorporated in the Cayman Islands. Under the current laws of the Cayman Islands, the Company is not subject to income or capital gains taxes. In addition, dividend payments are not subject to withholdings tax in the Cayman Islands.

British Virgin Islands (“BVI”)

Under the current laws of the BVI, the Company’s subsidiaries incorporated in BVI are not subject to tax on income or capital gains. Additionally, upon payments of dividends by the BVI company to its respective shareholders, no BVI withholding tax will be imposed.

Hong Kong, PRC

Under the current Hong Kong tax laws, a two-tier corporate income tax system was implemented in Hong Kong, which is 8.25% for the first HK$2.0 million profits, and 16.5% for the subsequent profits. Under the HK tax laws, it is exempted from the Hong Kong income tax on its foreign-derived income. In addition, payments of dividends from Hong Kong subsidiaries to the Company are not subject to any Hong Kong withholding tax.

Mainland, PRC

The Company’s PRC subsidiaries are governed by the income tax law of the PRC and are subject to the PRC enterprise income tax (“EIT”). The EIT rate of PRC is 25%, which applies to both domestic and foreign invested enterprises. The income tax rate of a Company’s PRC subsidiaries is 25%.

Singapore

Sustainable Available Innovative Pte. Ltd. was established in Singapore and is subject to Singapore corporate income taxes at the rate of 17% for the years ended December 31, 2025, 2024 and 2023.

United States (“U.S.”).

SAI US INC. is incorporated in the U.S. and is subject to the U.S. federal income taxes. According to U.S. tax reform, a flat corporate income tax rate of 21% is effective beginning in 2018.

For the years ended December 31, 2025, 2024 and 2023, the Company’s income tax expense is nil, respectively.

A reconciliation of the income tax expense determined at the U.S. federal income tax rate to the Company’s actual income tax expense is as follows:

	For Year Ended December 31,
	2023			2024			2025
	US$			US$			US$
Loss before income tax expense		(6,120	)		(5,886	)		(6,454	)
U.S. federal income tax rate		21	%		21	%		21	%
Income tax benefit computed at the applicable tax rate		(1,285	)		(1,236	)		(1,355	)
Expenses not deductible		555			726			5
Effect of differences in corporate income tax rates		(60	)		(216	)		(324	)
Change in valuation allowance		790			726			1,674
Income tax expense		—			—			—

The Group’s deferred tax assets on December 31, 2025 and 2024 were as follows:

	As of December 31, 2024			As of December 31, 2025
	US$			US$
Deferred tax assets		3,755			5,428
Less: valuation allowance		(3,755	)		(5,428	)
Deferred tax assets, net		—			—

The Company reviews deferred tax assets for a valuation allowance based upon whether it is more likely than not that the deferred tax asset will be fully realized. The Company evaluates its valuation allowance requirements at end of each reporting period by reviewing all available evidence, both positive and negative, and considering whether, based on the weight of that evidence, a valuation allowance is needed. When circumstances cause a change in management’s judgement about the recoverability of deferred tax assets, the impact of the change on the valuation allowance is generally reflected in income from operations. The future realization of the tax benefit of an existing deductible temporary difference ultimately depends on the existence of sufficient taxable income of the appropriate character within the carryforward period available under applicable tax law.

The following represents a roll-forward of the valuation allowance：

	For the years ended December 31,
	2023		2024		2025
	US$		US$		US$
Beginning balance		2,238		3,029		3,755
charge to tax expense in current year		790		726		1,674
Ending balance		3,029		3,755		5,428

- Definition

The entire disclosure for income tax.

+ References

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+ Details

Segment Information - Schedule of Reportable Segments (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Reportable segment revenue:
Total segment and consolidated revenue	$ 4,522	$ 5,543	$ 6,776
Reportable segment cost of revenue
Total segment and consolidated cost of revenues	6,868	6,553	6,319
Reconciling Items:
Selling, general and administrative expenses	(2,703)	(6,257)	(6,837)
Research development expenses	(217)	(642)	(853)
Impairment losses of assets	(1,557)		(138)
Other income	369	2,023	1,251
Income tax expense
Net loss	(6,454)	(5,886)	(6,120)
Revenue – sales of products
Reportable segment revenue:
Total segment and consolidated revenue	3,116	2,503	4,802
Revenue – hosting service [Member]
Reportable segment revenue:
Total segment and consolidated revenue		52	366
Revenue – mining pool [Member]
Reportable segment revenue:
Total segment and consolidated revenue		69	308
Revenue – mining revenue [Member]
Reportable segment revenue:
Total segment and consolidated revenue	1,406	2,919	1,300
Cost of revenues – sales of products [Member]
Reportable segment cost of revenue
Total segment and consolidated cost of revenues	3,391	2,276	4,290
Cost of revenues – hosting service [Member]
Reportable segment cost of revenue
Total segment and consolidated cost of revenues		38	329
Cost of revenues – mining pool [Member]
Reportable segment cost of revenue
Total segment and consolidated cost of revenues		68	308
Cost of revenues – mining revenue [Member]
Reportable segment cost of revenue
Total segment and consolidated cost of revenues	$ 3,477	$ 4,171	$ 1,392

Property and Equipment, Net

12 Months Ended

Dec. 31, 2025

Property and Equipment, Net [Abstract]

Property and Equipment, Net

6. Property and Equipment, Net

Property and equipment, net, consisted of the following

	As of December 31, 2024			As of December 31, 2025
	US$			US$
Electronic equipment		3,148			1,697
Furniture, fixtures and other equipment		2,294			1,208
Plants		1,982			1,899
Property and equipment, cost		7,424			4,804
Less: accumulated depreciation		(2,982	)		(2,496	)
Impairment		(468	)		(1,350	)
		3,974			958

Depreciation expenses for the years ended December 31, 2025, 2024 and 2023 were approximately $1,430, $1,655 and $1,255 respectively. During the year ended December 31, 2025, the Company recognized an impairment loss of $1,350 related to certain mining field equipment, including SAIHUB cabinets and outdated bitcoin mining machines. The impairment was primarily driven by the decline in Bitcoin prices and mining profitability, which resulted in lower projected future cash flows for these assets.

Amount Due from/(to) Related Parties

12 Months Ended

Dec. 31, 2025

Amount Due from/(to) Related Parties [Abstract]

Amount due from/(to) related parties

15. Amount due from/(to) related parties

The following is a list of the related parties with whom the Company conducted transactions for the years ended December 31, 2025 and 2024, and their relations with the Company:

Name of the related parties		Relation with the Company
Mr. Peng Zhang		Controlling Shareholder
Energy Science Artist Holding Limited		Shareholder of the Company

There were no related party transactions occurred during the year ended December 31, 2025, and the balance of amount due from/to related parties was US$ 0 as of December 31, 2025 and 2024.

On March 28, 2023, the Company acquired Atomic Evolution Limited from Energy Science Artist Holding Limited, for the purpose of exploring business opportunities in the area of SMR, with a consideration of $0. To focus on its core business, on December 25, 2023, the Company transferred all of its equity interest in Atomic Evolution Limited to Energy Science Artist Holding Limited as approved by the Company’s board of directors, with a consideration of $0.

On March 28, 2023, the Company acquired 100% of the equity interest in Atomic Evolution Limited from Energy Science Artist Holding Limited for a total consideration of $0. The acquisition was made to explore potential business opportunities in the area of SMR.

Subsequently, as part of the Group’s strategic decision to focus on its core business operations, the Company’s board of directors approved the disposal of Atomic Evolution Limited. On December 25, 2023, the Company transferred its entire equity interest in Atomic Evolution Limited back to Energy Science Artist Holding Limited for a consideration of $0.

This transaction was conducted on a non-cash, non-arm’s-length basis between parties under common control. The $0 consideration reflects the absence of active operations, assets, or liabilities in Atomic Evolution Limited at the time of acquisition and disposal. No independent fair value assessment was deemed necessary due to the lack of commercial activity or intrinsic value.

- Definition

The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 850
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-Name Accounting Standards Codification
-Section 50
-Paragraph 1
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-Publisher FASB
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+ Details

Income Taxes - Schedule of Income Tax Expense Determined at the U.S. Federal Income Tax Rate (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Income Tax Expense Determined at the U.S. Federal Income Tax Rate [Abstract]
Loss before income tax expense	$ (6,454)	$ (5,886)	$ (6,120)
U.S. federal income tax rate	21.00%	21.00%	21.00%
Income tax benefit computed at the applicable tax rate	$ (1,355)	$ (1,236)	$ (1,285)
Expenses not deductible	5	726	555
Effect of differences in corporate income tax rates	(324)	(216)	(60)
Change in valuation allowance	1,674	726	790
Income tax expense

- Definition

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details

Share-Based Payment (Tables)

12 Months Ended

Dec. 31, 2025

Share-Based Payment [Abstract]

Schedule of RSU Activity

A summary of the Company’s RSU activity for the years ended December 31, 2025 and 2024, is as follows:

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested on December 31, 2023		66,791			32.14
Granted		250,584			13.44
Vested		(92,704	)		19.05
Forfeited		(3,325	)		37.35
Non-vested on December 31, 2024		221,346			16.65
Granted		10,614			8.79
Vested		(168,010	)		18.17
Forfeited		(34,511	)		14.79
Non-vested on December 31, 2025		29,439			18.18

Crypto Assets (Tables)

12 Months Ended

Dec. 31, 2025

Crypto Assets [Abstract]

Schedule of Significant Crypto Asset Holdings

The following table presents the Company’s significant crypto asset holdings as of December 31, 2025:

Bitcoin holdings	31-Dec-24		31-Dec-25
Number of bitcoin held		67		43
Carrying basis - per bitcoin	$	59,937	$	101,791
Fair value - per bitcoin	$	93,765	$	88,301
Carrying basis of bitcoin	$	4,009	$	4,393
Fair value of bitcoin	$	6,268	$	3,808

Others crypto assets holding	31-Dec-24		31-Dec-25
Number of other crypto assets held		10,882		931
Carrying basis of other crypto assets	$	202	$	68
Fair value of other crypto assets	$	221	$	61

USDT holdings	31-Dec-24		31-Dec-25
Number of USDT held		415,770		90,163
Carrying basis - USDT		1		1
Fair value - per USDT		1		1
Carrying basis of USDT		416		90
Fair value of USDT		416		90

Schedule of Condensed Consolidated Statements of Operations

	BTC			USDT			Others
Beginning Balance: Crypto assets, on January 1, 2025		6,268			416			221
Addition of crypto assets		1,411			90			—
Disposition of crypto assets		(3,286	)		(416	)		(160	)
Unrealized gain on crypto assets		(585)			—			—
Crypto assets on December 31, 2025	$	3,808		$	90		$	61

Parent Only Information - Schedule of Condensed Balance Sheets (Details) - Parent Company [Member] - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Schedule of Condensed Balance Sheets [Line Items]
Cash	$ 85	$ 313
Amounts due from related parties	21,799	23,790
Long-term investment	50	50
Crypto Assets	792	403
Total Assets	22,726	24,556
Liabilities
Accounts payable		72
Accrued payroll	29	22
Operating lease liabilities-current	1	1
Investments in subsidiaries	15,297	10,095
Total Liabilities	15,327	10,190
Equity:
Additional paid-in capital	52,192	52,137
accumulated deficit	(44,283)	(37,231)
Accumulated other comprehensive loss	(513)	(542)
Total equity	7,399	14,366
Total Liabilities and Equity	22,726	24,556
Class A Ordinary Shares
Equity:
Ordinary shares value	2	1
Class B Ordinary Shares
Equity:
Ordinary shares value	$ 1	$ 1

Income Taxes (Details) $ in Millions	12 Months Ended
Income Taxes (Details) $ in Millions	Dec. 31, 2025 USD ($)	Dec. 31, 2025 HKD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2018
Income Taxes [Line Items]
Corporate income tax, percentage	8.25%	8.25%
Income tax profit (in Dollars)		$ 2.0
Subsequent profits, percentage	16.50%	16.50%
Percentage of domestic and foreign income tax rate	25.00%	25.00%
Percentage of tax rate	21.00%	21.00%	21.00%	21.00%
Percentage of income tax rate					21.00%
Income tax expense (in Dollars)
Mainland, PRC [Member]
Income Taxes [Line Items]
Percentage of domestic and foreign income tax rate	25.00%	25.00%
Singapore [Member]
Income Taxes [Line Items]
Percentage of tax rate	17.00%	17.00%	17.00%	17.00%
United States (“U.S.”) [Member]
Income Taxes [Line Items]
Income tax expense (in Dollars)

Deposits, Prepayments and Other Current Assets, Net

12 Months Ended

Dec. 31, 2025

Deposits, Prepayments and Other Current Assets, Net [Abstract]

Deposits, Prepayments and Other Current Assets, net

4. Deposits, Prepayments and Other Current Assets, net

Prepaid expenses and other current assets consisted of the following

	As of December 31, 2024		As of December 31, 2025
	US$		US$
Deposits for office spaces leases		91		61
Advance to vendors(i)		1,015		1
Deductible VAT tax		688		1,020
Other current assets(ii)		88		83
Deposits, prepayments and other current assets, cost		1,882		1,165
Deposits, prepayments and other current assets, net		1,882		1,165

(i)	Advance to vendors mainly consists of advance payments to suppliers of cooling containers. All such containers were delivered in 2025.

(ii)	Other current assets mainly consist of the advance payment to the power supplier in connection with the Company’s self-mining and tax refund.

Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities
Net loss	$ (6,454)	$ (5,886)	$ (6,120)
Adjustments to reconcile net income to net cash used in operating activities
Depreciation and amortization	1,430	1,655	1,347
Impairment loss on long-lived assets	1,350		138
Impairment loss on Inventories	207
(Gain)/Loss on disposal of property and equipment	(3)	2	402
Share-based payment	25	3,458	2,641
Changes in fair value of crypto assets	(591)	(2,034)	(785)
Gain from disposal of subsidiaries			(48)
ROU amortization	123	244	221
Changes in operating assets and liabilities
Accounts receivables and other receivables	(326)	858	686
Crypto assets	(1,410)	(90)	(1,300)
Restricted crypto assets	(2,436)	(3,080)
Deposits and prepayments to suppliers	1,018	(756)	(277)
Accounts payable	(303)	396	(119)
Inventories	506	(735)	106
Change in lease liability	(103)	(241)	(219)
Advance from customers	(866)	879
Other payables and accrued liabilities	216	(224)	202
Net cash used in operating activities	(7,617)	(5,554)	(3,125)
Cash flows from investing activities
Proceed from sale of property and equipment	239	73	115
Purchase of property and equipment		(713)	(5,049)
Changes in Stablecoin assets	(25)	61	(69)
Investment in Crypto assets	4,950	1,926	106
Net cash (used in) provided by investing activities	5,164	1,347	(4,897)
Cash flows from financing activities
Reverse recapitalization			9
Short-term borrowings	1,565	2,115
Net cash provided by financing activities	1,565	2,115	9
Effect of exchange rate changes	11	(5)	(26)
Net decrease in Cash and cash equivalents, Restricted cash	(877)	(2,097)	(8,039)
Cash and cash equivalents, Restricted cash at beginning of the year	1,079	3,176	11,215
Cash and cash equivalents, Restricted cash at end of the year	202	1,079	3,176
Supplemental disclosure of non-cash financing activities:
Obtaining a ROU asset in exchange for a lease liabilities	$ 46		$ 622

Consolidated Statements of Changes in Shareholders’ Equity/(Deficit) - USD ($)
$ in Thousands

Ordinary Shares

Class A

Ordinary Shares

Class B

Series Seed Preferred Shares

Additional Paid-in Capital

(Accumulated Deficit)/ Retained Earnings

Accumulated Other Comprehensive Loss

Total

Balance at Dec. 31, 2023

$ 1

$ 48,680

$ (31,345)

$ (517)

$ 16,820

Balance (in Shares) at Dec. 31, 2023

^[1]

1,013,163

642,043

Net loss

(5,886)

Share-based compensation expense

3,457

Share-based compensation expense (in Shares)

97,744

Foreign currency translation adjustment

(25)

Balance at Dec. 31, 2024

$ 1

52,137

(37,231)

(542)

14,366

Balance (in Shares) at Dec. 31, 2024

^[1]

1,110,907

642,043

Net loss

(6,454)

Share-based compensation expense

$ 1

Share-based compensation expense (in Shares)

^[1]

79,410

Other

(568)

Spin-off adjustment to parent

(30)

Foreign currency translation adjustment

Balance at Dec. 31, 2025

$ 2

$ 1

$ 52,192

$ (44,283)

$ (513)

$ 7,399

Balance (in Shares) at Dec. 31, 2025

^[1]

1,190,317

642,043

[1]	The shares and per share data are presented on a retroactive basis to reflect the reverse stock split.

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

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- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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Other payables and accrued liabilities - Schedule of Other Payables and Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Schedule Of Other Payables And Accrued Liabilities Abstract
Accrued payroll and employee benefits	$ 102	$ 113
Other Tax Payable	6	9
Other payables	287	55
Total	$ 395	$ 177

- Definition

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Consolidated Balance Sheets - USD ($)
$ in Thousands

Dec. 31, 2025

Dec. 31, 2024

Current assets:

Cash and cash equivalents

$ 202

$ 1,038

Restricted cash

Accounts receivable

293

237

Inventories

772

Restricted crypto assets

5,516

3,080

Crypto assets

3,959

6,905

Stablecoin assets

Deposits, prepayments and other current assets, net

1,165

1,882

Total current assets

11,243

13,975

Non-current assets:

Property and equipment, net

958

3,974

Operating lease right-of-use assets, net

513

585

Total non-current assets:

1,471

4,559

Total assets

12,714

18,534

Current liabilities:

Accounts payable

715

438

Operating lease liabilities-current

Advance from customers

870

Short-term borrowings

3,680

2,115

Other payables and accrued liabilities

395

177

Total current liabilities

4,883

3,682

Operating lease liabilities-non-current

432

486

Total non-current liabilities

432

486

Total Liabilities

5,315

4,168

Commitments and contingencies - Note 13

Shareholders’ equity:

Additional paid-in capital

52,192

52,137

Accumulated deficit

(44,283)

(37,231)

Accumulated other comprehensive loss

(513)

(542)

Total shareholders’ equity

7,399

14,366

Total Liabilities and shareholders’ equity

12,714

18,534

Class A Ordinary Shares

Shareholders’ equity:

Ordinary shares value

^[1]

Class B Ordinary Shares

Shareholders’ equity:

Ordinary shares value

^[1]

$ 1

[1]	The shares and per share data are presented on a retroactive basis to reflect the reverse stock split.

Cybersecurity Risk Management and Strategy Disclosure

12 Months Ended

Dec. 31, 2025

Cybersecurity Risk Management, Strategy, and Governance [Line Items]

Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block]

Cybersecurity Risk Management and Strategy

To maintain a consistently high level of service experience for our clients, preserve the confidentiality, integrity, and availability of our information systems, safeguard our assets, data, intellectual property, and network infrastructure, while meeting regulatory requirements, it is crucial to effectively manage cybersecurity risks. To achieve this, we have implemented a comprehensive cybersecurity risk management framework, which is integrated in our overall enterprise risk management system and processes and is internally managed.

Our dedicated cybersecurity staff is tasked with assessing, identifying and managing risks related to cybersecurity threats and, under the leadership of our chief technology officer, is responsible for:

●

risk assessments designed to help identify material cybersecurity risks to our critical systems, information, services, and our broader enterprise IT environment;

●

development of risk-based action plans to manage identified vulnerabilities and implementation of new protocols and infrastructure improvements;

●

cybersecurity incident investigations;

●

monitoring threats to sensitive data and unauthorized access to our systems;

●

secure access control measures applied to critical IT systems, equipment and devices, designed to prevent unauthorized users, processes, and devices from assessing IT systems and data;

●

developing and executing protocols to ensure that information regarding cybersecurity incidents is promptly shared with the board of directors, as appropriate, to allow for risk and materiality assessments and to consider disclosure and notice requirements; and

●

developing and implementing training on cybersecurity, information security and threat awareness.

There were no cybersecurity incidents during the year ended December 31, 2025, that resulted in an interruption to our operations, known losses of any critical data or otherwise had a material impact on our strategy, financial condition or results of operations. However, the scope and impact of any future incident cannot be predicted. See “Risk Factors” for more information on how material cybersecurity attacks may impact our business.

Cybersecurity Risk Management Processes Integrated [Text Block]

To achieve this, we have implemented a comprehensive cybersecurity risk management framework, which is integrated in our overall enterprise risk management system and processes and is internally managed.

Cybersecurity Risk Management Processes Integrated [Flag]

true

Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Text Block]

Cybersecurity Risk Materially Affected or Reasonably Likely to Materially Affect Registrant [Flag]

false

Cybersecurity Risk Role of Management [Text Block]

Governance

Our board of directors acknowledges the significance of robust cybersecurity management programs and actively participates in overseeing and reviewing our cybersecurity risk profile and exposures.

The board of directors receives reports on cybersecurity risks, including recent legislative developments and evolving standards on cybersecurity, key issues, priorities and challenges in our cybersecurity management, and relevant data or metrics. The board of directors also receives prompt and timely information regarding any significant cybersecurity incidents, as well as ongoing updates regarding any such incidents. Furthermore, in the event of any significant updates or adjustments to our cybersecurity related policies, the chief operating officer will present them to the board of directors for their review and approval.

Our chief operating officer leads the overall assessment, identification and management of risks related to cybersecurity threats. He works collaboratively within our group and receives regular briefings on cybersecurity matters, such as report on cybersecurity incidents and responses and remedial measures. Our chief operating officer has 24 years of relevant experience in risk management, cybersecurity and information technology.

Our chief operating officer and their dedicated staff are responsible for the daily management of our cybersecurity efforts. This includes updates and refinement of cybersecurity policies, execution and management of cybersecurity measures, and the preparation of regular reports on cybersecurity execution. Their primary focus is to consistently update our cybersecurity programs and mitigation strategies, ensuring they align with industry best practices and procedures.

Cybersecurity Risk Board of Directors Oversight [Text Block]

Our board of directors acknowledges the significance of robust cybersecurity management programs and actively participates in overseeing and reviewing our cybersecurity risk profile and exposures.

Cybersecurity Risk Management Expertise of Management Responsible [Text Block]

Our chief operating officer has 24 years of relevant experience in risk management, cybersecurity and information technology.

Cybersecurity Risk Management Positions or Committees Responsible [Text Block]

Cybersecurity Risk Management Positions or Committees Responsible Report to Board [Flag]

true

Pay vs Performance Disclosure - USD ($) $ in Thousands	12 Months Ended
Pay vs Performance Disclosure - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Pay vs Performance Disclosure
Net Income (Loss)	$ (6,454)	$ (5,886)	$ (6,120)

- Definition

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

+ References

+ Details

Share-Based Payment

12 Months Ended

Dec. 31, 2025

Share-Based Payment [Abstract]

Share-based Payment

11. Share-based Payment

On March 17, 2025, the Company effected a reverse stock split at a ratio of 15-to-1. All the shares and share price in the accompanying consolidated financial statements and notes have been retroactively adjusted to reflect the effect of the reverse stock split.

Share Incentive Plans

The Company has incentive plan for the granting of share-based awards, including restricted share units, to management and employees.

2021 Share Incentive Plan

On April 22, 2022, the Company’s shareholders adopted the 2021 Share Incentive Plan, which provides for the issuance of up to an initial 120,844 Class A ordinary shares (adjusted from 1,812,663) and subject to such adjustments in the plan, the then-applicable Share Reserve number will automatically increase (but not decrease) on January 1st of each year commencing on January 1, 2022 and ending on (and including) January 1, 2031, in an amount equal to the lesser of (i) three percent (3%) of the total number of ordinary shares of New SAIH outstanding on December 31st of the preceding year and (ii) such fewer number of Class A ordinary shares that the Board or any Committee may determine prior to January 1st of a given year; provided, if the effective date of the New SAIH Incentive Plan is after January 1, 2022, then the initial automatic increase shall occur on January 1, 2023 and the increases shall end on (and including) January 1, 2032.

In December 2022, the Company granted 93,467 restricted share units to employees under the 2021 Share Incentive Plan (adjusted from 1,402,000), which generally vest over a four-year period from the date of grant; however, in certain instances, all or a portion of grant may vest immediately. RSUs granted to management generally vest over a one-year period or, in certain instances, immediately. The Company measures the fair value of RSUs at the grant date and recognizes expense on a straight-line basis over the requisite service period from the date of grant for each separately-vesting under the graded-vesting attribution method.

2023 Share Incentive Plan

On September 6, 2023, the Company’s shareholders adopted the 2023 Share Incentive Plan, which provides for the issuance of up to an initial 91,786 Class A ordinary shares (adjusted from 1,376,792) and subject to such adjustments in the plan, the then-applicable Share Reserve number will automatically increase (but not decrease) on January 1st of each year commencing on January 1, 2024 and ending on (and including) January 1, 2033, in an amount equal to the lesser of (i) six percent (6%) of the total number of ordinary shares of New SAIH outstanding on December 31st of the preceding year and (ii) such fewer number of Class A ordinary shares that the Board or any Committee may determine prior to January 1st of a given year; provided, if the effective date of the New SAIH Incentive Plan is after January 1, 2024, then the initial automatic increase shall occur on January 1, 2025 and the increases shall end on (and including) January 1, 2034.

In February, 2023, the Company granted 26,667 RSUs to an employee for the compensation of service under the 2021 Share Incentive Plan (adjusted from 400,000), which is vested over four-year period from the date of grant.

In June, 2023, the Company granted 45,893 RSUs to six employees as annual bonus under the 2021 Share Incentive Plan (adjusted from 688,396), which was vested immediately.

In December, 2023, the Company granted 13,333 RSUs to one consultant for its service (adjusted from 200,000), which was vested immediately.

In February, 2024, the Company granted 22,734 RSUs to four employees as annual bonus under the 2021 Share Incentive Plan (adjusted from 341,017), which was vested immediately.

In February, 2024, the Company granted 10,000 RSUs to an employee for the compensation of service under the 2021 Share Incentive Plan (adjusted from 150,000), which is vested over four-year period from the date of grant.

In March, 2024, the Company granted 2,333 RSUs to two consultants for its service (adjusted from 35,000), which is vested over one-year period from the date of grant.

In October, 2024, the Company granted 52,718 RSUs to ten employees and one consultant for the compensation of service under the 2023 Share Incentive Plan (adjusted from 790,770), which was vested immediately.

In October, 2024, the Company granted 3,333 RSUs to one consultant for its service (adjusted from 50,000), which is vested over two-year period from the date of grant.

In December, 2024, the Company granted 22,300 RSUs to eighteen employees for the compensation of service (adjusted from 334,500), which is vested over three-year period from the date of grant.

In December, 2024, the Company granted 137,167 RSUs to twenty-four employees and two consultants for the compensation of service under the 2021 and 2023 Share Incentive Plan (adjusted from 2,057,500), which was vested immediately.

In October, 2025, the Company granted 10,614 RSUs to four employees and one consultant for the compensation of service under the 2021 Share Incentive Plan, which was vested immediately.

A summary of the Company’s RSU activity for the years ended December 31, 2025 and 2024, is as follows:

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested on December 31, 2023		66,791			32.14
Granted		250,584			13.44
Vested		(92,704	)		19.05
Forfeited		(3,325	)		37.35
Non-vested on December 31, 2024		221,346			16.65
Granted		10,614			8.79
Vested		(168,010	)		18.17
Forfeited		(34,511	)		14.79
Non-vested on December 31, 2025		29,439			18.18

The aggregate unrecognized share-based compensation expenses as of December 31, 2025 were approximately US$0.54 million, which will be recognized for the year till December 19, 2027.

Insider Trading Policies and Procedures	12 Months Ended
Insider Trading Policies and Procedures	Dec. 31, 2025
Insider Trading Policies and Procedures [Line Items]
Insider Trading Policies and Procedures Adopted	true

Consolidated Statements of Operations and Comprehensive (Loss)/Income - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2025

Dec. 31, 2024

Dec. 31, 2023

Income Statement [Abstract]

Revenues

$ 4,522

$ 5,543

$ 6,776

Cost of revenues

6,868

6,553

6,319

Gross Profit/(loss)

(2,346)

(1,010)

457

Sales and marketing expenses

279

284

1,134

General and administrative expenses

2,424

5,973

5,703

Research and development expenses

217

642

853

Impairment losses of assets

1,557

138

Total operating expenses

4,477

6,899

7,828

Loss from operations

(6,823)

(7,909)

(7,371)

Other income/(expense), net

369

2,023

1,251

Loss before income tax

(6,454)

(5,886)

(6,120)

Income tax benefit(expenses)

Net loss

(6,454)

(5,886)

(6,120)

Other comprehensive loss

Foreign currency translation (loss )/gain

(25)

(56)

Total comprehensive loss

$ (6,425)

$ (5,911)

$ (6,176)

Loss per ordinary share*

Basic (in Dollars per share)

^[1]

$ (3.5146)

$ (3.4582)

$ (3.7916)

Diluted (in Dollars per share)

^[1]

$ (3.5146)

$ (3.4582)

$ (3.7916)

Weighted average number of ordinary shares outstanding*:

Basic (in Shares)

^[1]

1,836,330

1,702,018

1,614,089

Diluted (in Shares)

^[1]

1,836,330

1,702,018

1,614,089

[1]	The shares and per share data are presented on a retroactive basis to reflect the reverse stock split.

Parent Only Information - Schedule of Condensed Statements of Operations (Details) - Parent Company [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Condensed Statements of Operations [Line Items]
Revenue	$ 382	$ 1,015	$ 1,497
Cost of revenue	(431)	(919)	(1,134)
General and administrative expenses	(1,329)	(1,025)	(1,583)
Sales and marketing expenses	(41)	(34)	(63)
Other expense, net	178	13	31
Share of loss from subsidiaries	(5,213)	(4,936)	(4,868)
Net loss	$ (6,454)	$ (5,886)	$ (6,120)

- Definition

The aggregate cost of goods produced and sold and services rendered during the reporting period.

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+ Details

Deposits, Prepayments and Other Current Assets, Net (Tables)

12 Months Ended

Dec. 31, 2025

Deposits, Prepayments and Other Current Assets, Net [Abstract]

Schedule of Prepaid Expenses and Other Current Assets

Prepaid expenses and other current assets consisted of the following

	As of December 31, 2024		As of December 31, 2025
	US$		US$
Deposits for office spaces leases		91		61
Advance to vendors(i)		1,015		1
Deductible VAT tax		688		1,020
Other current assets(ii)		88		83
Deposits, prepayments and other current assets, cost		1,882		1,165
Deposits, prepayments and other current assets, net		1,882		1,165

(i)	Advance to vendors mainly consists of advance payments to suppliers of cooling containers. All such containers were delivered in 2025.

(ii)	Other current assets mainly consist of the advance payment to the power supplier in connection with the Company’s self-mining and tax refund.

Amount Due from/(to) Related Parties - Schedule of the Related Parties with whom the Company Conducted Transactions (Details)	12 Months Ended
	Dec. 31, 2025
Mr. Peng Zhang [Member]
Schedule of the Related Parties with whom the Company Conducted Transactions [Line Items]
Relation with the Company	Controlling Shareholder
Energy Science Artist Holding Limited [Member]
Schedule of the Related Parties with whom the Company Conducted Transactions [Line Items]
Relation with the Company	Shareholder of the Company

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

+ Details

Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Schedule of Property and Equipment, Net [Line Items]
Property and equipment, cost	$ 4,804	$ 7,424
Less: accumulated depreciation	(2,496)	(2,982)
Impairment	(1,350)	(468)
Property and equipment, net	958	3,974
Electronic equipment [Member]
Schedule of Property and Equipment, Net [Line Items]
Property and equipment, cost	1,697	3,148
Furniture, fixtures and other equipment [Member]
Schedule of Property and Equipment, Net [Line Items]
Property and equipment, cost	1,208	2,294
Plants [Member]
Schedule of Property and Equipment, Net [Line Items]
Property and equipment, cost	$ 1,899	$ 1,982

Loss Per Share

12 Months Ended

Dec. 31, 2025

Loss Per Share [Abstract]

Loss Per Share

14. Loss Per Share

Basic and diluted loss per ordinary share for each of the period presented is calculated as follows:

	For the years ended December 31,
	2023			2024			2025
	US$			US$			US$
Numerators
Net loss		(6,120	)		(5,886	)		(6,454	)
Less: Net income allocated to Series Angel and Series Pre-A preferred share		—			—			—
Adjusted net loss		(6,120	)		(5,886	)		(6,454	)
Denominators
Weighted average number of ordinary shares outstanding-Basic and diluted*		1,614,089			1,702,018			1,836,330
Loss per ordinary share-Basic and diluted		(3.7916	)		(3.4582	)		(3.5146	)

*	The ordinary shares are presented on a retroactive basis to reflect the Company’s share consolidation on April 29, 2022

Potential ordinary shares that have an anti-dilutive effect (i.e., those that increase earnings per share or decrease loss per share) are excluded from the calculation of diluted loss per share. For the years ended December 31, 2025, 2024 and 2023, the Company had no dilutive shares.

The shares and per share data are presented on a retroactive basis to reflect the reverse stock split on March 17, 2025.

Concentration of Risk - Schedule of Information About the Group’s Concentration of Customers (Details)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Customer Concentration Risk [Member] \| Customer M [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage	65.00%
Customer Concentration Risk [Member] \| Customer C [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer C [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer A [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage		16.00%
Customer Concentration Risk [Member] \| Customer A [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage		100.00%	25.00%
Customer Concentration Risk [Member] \| Customer B [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer B [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer F [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage			33.00%
Customer Concentration Risk [Member] \| Customer F [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage			11.00%
Customer Concentration Risk [Member] \| Customer H [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage			17.00%
Customer Concentration Risk [Member] \| Customer H [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage			63.00%
Customer Concentration Risk [Member] \| Customer I [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage		20.00%
Customer Concentration Risk [Member] \| Customer I [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer D [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer D [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer E [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer E [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer G [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage			23.00%
Customer Concentration Risk [Member] \| Customer G [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer J [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer J [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer K [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer K [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer L [Member] \| Revenue Benchmark [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Customer Concentration Risk [Member] \| Customer L [Member] \| Accounts Receivable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier K [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage	10.00%	13.00%
Supplier Concentration Risk [Member] \| Supplier K [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier L [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage	52.00%
Supplier Concentration Risk [Member] \| Supplier L [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage		76.00%
Supplier Concentration Risk [Member] \| Supplier I [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier I [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage	83.00%
Supplier Concentration Risk [Member] \| Supplier A [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier A [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier B [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage		12.00%	12.00%
Supplier Concentration Risk [Member] \| Supplier B [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage		15.00%	41.00%
Supplier Concentration Risk [Member] \| Supplier C [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage		34.00%	56.00%
Supplier Concentration Risk [Member] \| Supplier C [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier D [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage			12.00%
Supplier Concentration Risk [Member] \| Supplier D [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier E [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier E [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage			50.00%
Supplier Concentration Risk [Member] \| Supplier F [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier F [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier G [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier G [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier H [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier H [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Supplier J [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage		11.00%
Supplier Concentration Risk [Member] \| Supplier J [Member] \| Accounts Payable [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Customer E [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage
Supplier Concentration Risk [Member] \| Customer F [Member] \| Purchases [Member]
Schedule of Information About the Group’s Concentration of Customers [Line Items]
Concentration risk, percentage