Document and Entity Information Document Information [Table] Document Information [Line Items] Document and Entity Information Document Type Entity Registrant Name Entity Emerging Growth Company Entity Ex Transition Period Entity Central Index Key Amendment Flag Interim Condensed Consolidated Balance Sheets Statement [Table] Legal Entity [Axis] Entity [Domain] Represents information pertaining to spring valley acquisition III. Spring Valley Acquisition III [Member] Spring Valley Acquisition III Class of Stock [Axis] Class of Stock [Domain] Common Class A [Member] Class A common Shares Class A ordinary shares Represents information pertaining to Common Class A shares subject to possible redemption. Common Classa Subject To Possible Redemption [Member] Class A ordinary shares subject to possible redemption Common Class B [Member] Class B common shares Common Class B Statement [Line Items] Statement Statement [Line Items] Assets [Abstract] Assets Assets, Current [Abstract] Current assets: Current assets Cash and Cash Equivalent Cash and cash equivalents (note 4) Cash and cash equivalents Prepaid Expense, Current Prepaid expenses Other Receivables, Net, Current Other receivables Due from Sponsor Assets, Current Total current assets Carrying amount as of the balance sheet date of capitalized amounts paid for insurance which will be charged against earnings after one year or beyond the normal operating cycle, if longer. Prepaid Insurance, Non-Current Long-term prepaid insurance Asset, Held-in-Trust, Noncurrent Investments held in Trust Account Assets held in the Trust Account Assets Total assets Liabilities and Equity [Abstract] Liabilities, Redeemable Convertible Preferred Shares and Shareholders' Deficiency Liabilities, Class A Ordinary Shares Subject to Possible Redemption, and Shareholders' Deficit Liabilities, Current [Abstract] Current liabilities: Current liabilities Carrying value as of the balance sheet date of obligations incurred through that date and payable for offering costs. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Accrued Offering Costs, Current Accrued offering costs Accrued Liabilities, Current Accrued expenses Other Liabilities, Current Advance from related party Other Liability, Current, Related Party [Extensible Enumeration] Liabilities, Current Total current liabilities Carrying amount of liabilities arising from subscription agreements with investors, including obligations related to the issuance, settlement, refund, or other contractual terms associated with subscribed securities not yet recognized as permanent equity. Subscription Agreement Liability. Subscription agreement liability Subscription agreement Amount of underwriting fees payable classified as non-current. Deferred Underwriting Fee, Non Current Deferred Underwriting Fee Liabilities Total liabilities Commitments and Contingencies. Commitments and Contingencies (Note 6) Temporary Equity, Carrying Amount, Attributable to Parent Ending balance Beginning balance Redeemable shares Fair value of commitment shares Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Shareholders' Deficit Shareholders' (Deficit) Equity Preferred Stock, Value, Issued Preference shares, $0.0001 par value; 1,000,000 shares authorized; none issued and outstanding Common Stock, Value, Issued Common shares, unlimited voting and non-voting shares authorized without par value, 13,324,608 shares issued and outstanding (2025 - 13,290,803) (note 15) Common shares, unlimited voting and non-voting shares authorized without par value, 13,290,803 shares issued and outstanding (2024-1,316,702) (note 13) Additional Paid in Capital Additional paid-in capital Retained Earnings (Accumulated Deficit) Accumulated deficit Accumulated deficit Equity, Attributable to Parent Ending balance Beginning balance Total shareholders' deficiency Liabilities and Equity Total liabilities, redeemable convertible preferred shares and shareholders' deficiency Represents information pertaining to Common Class A shares not subject to possible redemption. Common Classa Not Subject To Possible Redemption [Member] Class A ordinary shares not subject to possible redemption Temporary Equity, Par or Stated Value Per Share Common shares redemption, par value (in dollars per share) Temporary Equity, Redemption Price Per Share Common shares redemption, per share Temporary Equity, Shares Issued Temporary equity, shares issued (in shares) Common shares redemption, issued Temporary Equity, Shares Outstanding Ending balance (in shares) Beginning balance (in shares) Temporary equity, shares outstanding (in shares) Common shares redemption, outstanding Preferred Stock, Par or Stated Value Per Share Preferred shares, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred shares, shares authorized Preferred Stock, Shares Issued Preferred shares, shares issued Preferred Stock, Shares Outstanding Preferred shares, shares outstanding Common Stock, Par or Stated Value Per Share Common shares, par value (in dollars per share) Common Stock, Shares Authorized Common shares, authorized Common Stock, Shares, Issued Ending balance (in shares) Beginning balance (in shares) Common shares, issued (in shares) Common shares, issued Common Stock, Shares, Outstanding Ending balance (shares) Beginning balance (shares) Common shares, outstanding (in shares) Common shares, outstanding Interim Condensed Consolidated Statements of Operations and Comprehensive Loss General and Administrative Expense General and administrative Total General and administrative (note 22) Operating Income (Loss) Operating loss Loss from operations Nonoperating Income (Expense) [Abstract] Other Expense (Income) Other income (expense): Investment Income, Interest Interest earned on investments held in Trust Account Interest earned on investments held in Trust Account Net Income (Loss) Attributable to Parent Net loss for the period Net loss for the year Net loss for the year Net loss Net income (loss) Net loss for the year Weighted Average Number of Shares Outstanding, Basic Weighted-average number of common shares outstanding - basic Weighted average number of shares outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted-average number of common shares outstanding - diluted Weighted average number of shares outstanding, diluted (in shares) Earnings Per Share, Basic Net loss per share - basic Net loss per share attributable to common shareholders, basic (in dollars per share) Earnings Per Share, Diluted Net loss per share - diluted Net loss per share attributable to common shareholders, diluted (in dollars per share) Interim Condensed Consolidated Statements of Changes in Temporary Equity and Shareholders' Deficiency Equity Components [Axis] Equity Component [Domain] Common Stock [Member] Common Shares Ordinary shares Additional Paid-in Capital [Member] Additional paid-in capital Retained Earnings [Member] Accumulated deficit Class of Warrant or Right [Axis] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Class of Warrant or Right [Domain] Represents information pertaining to private placement warrants. Private Placement Warrants [Member] Private Placement Warrants Represents information pertaining to public warrants. Public Warrants [Member] Public Warrants Increase (Decrease) in Stockholders' Equity [Roll Forward] Changes in shareholders' deficiency CONDENSED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY (DEFICIT) Stock Issued During Period, Value, New Issues Rights Offering share reorganization (note 12, 13) Rights Offering Share Organization Stock Issued During Period, Shares, New Issues Number of shares converted to Common A shares Rights Offering Share Organization (in shares) Temporary Equity, Accretion to Redemption Value, Adjustment Accretion for ordinary shares to redemption amount Adjustments to Additional Paid in Capital, Warrant Issued Issuance of common share warrants (note 19) Warrant issued Adjustments to Additional Paid in Capital, Stock Issued, Issuance Costs Allocated value of transaction costs to Class A shares Number of warrants or rights issued during the period. Class of Warrant or Right, Number Of Warrants or Rights Issued Number of warrants issued CONSOLIDATED STATEMENTS OF CASH FLOWS Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Cash flows from operating activities: Cash Flows from Operating Activities: Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net loss for the period Net loss for the year Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Adjustments: Adjustments to reconcile net income to net cash used in operating activities: Amount of promissory note issued to a related party as payment for operating costs. Issuance Of Promissory Note, Related Party, Payment For Operating Costs Payment of operation costs through promissory note Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: Increase (Decrease) in Prepaid Expense and Other Assets Prepaid expenses and other Prepaid expenses and other current assets Increase (Decrease) in Other Receivables Other receivables Other receivable Increase (Decrease) in Prepaid Insurance Long-term prepaid insurance Increase (Decrease) in Accrued Liabilities Accrued expenses Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Cash flows used in operating activities Cash flows used in operating activities Cash flows from operating activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Cash Flows from Investing Activities: The amount of cash outflow associated with cash deposited in Trust Account. Payments for Cash Deposited in Trust Account Investment of cash in Trust Account Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Cash flows from investing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash Flows from Financing Activities: Proceeds from Issuance Initial Public Offering Gross proceeds Proceeds from sale of Units, net of underwriting discounts paid Proceeds from Issuance of Private Placement Proceeds from sale of Private Placements Warrants The cash inflow from a short-term borrowing made from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth. Alternate caption: Proceeds from Advances from Affiliates. Proceeds from Related Party Debt, Current Proceeds from advance from related party Repayments of Notes Payable Repayment of promissory note - related party Payments of Stock Issuance Costs Share issuance costs Payment of offering costs Payment of offering costs Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Cash flows from financing activities Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Net Change in Cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Cash - End of period Cash - Beginning of period Noncash Investing and Financing Items [Abstract] Non-Cash investing and financing activities: Recognition of offering costs through recognizing accrued offering expenses. Offering Costs Included In Accrued Offering Costs Offering costs included in accrued offering costs Stock Issued Prepaid expenses paid by Sponsor in exchange for issuance of Class B ordinary shares Prepaid services paid by Sponsor in exchange for issuance of Class B ordinary shares Amount of deferred offering costs paid through promissory note pursuant to related party. Deferred Offering Costs Paid Through Related Party Promissory Note Deferred offering costs paid through promissory note - related party Future cash outflow to pay for deferred underwriting fees. Deferred Underwriting Fees Incurred Not Yet Paid Deferred underwriting fee payable DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS Disclosure of information about organization, consolidation and basis of presentation of financial statements. Organization, Consolidation and Presentation of Financial Statements [Table] Organization, Consolidation and Presentation of Financial Statements [Table] 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. Organization, Consolidation and Presentation of Financial Statements [Line Items] DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] DESCRIPTION OF ORGANIZATION AND BUSINESS OPERATIONS Significant accounting policies Temporary Equity, by Class of Stock [Table] Temporary Equity [Line Items] Redeemable preferred shares SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Significant accounting policies SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES No definition available. PUBLIC OFFERING Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Subsidiary, Sale of Stock [Line Items] PUBLIC OFFERING PRIVATE PLACEMENT The entire disclosure on information about initial public offering. Initial Public Offering [Text Block] PUBLIC OFFERING No definition available. PRIVATE PLACEMENT The entire disclosure on information about private placement. Private Placement [Text Block] PRIVATE PLACEMENT Related party loans Related Party Transaction [Table] Related Party Transaction [Line Items] Related party loans RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] Related party loans RELATED PARTY TRANSACTIONS Commitments and contingencies Other Commitments [Table] Other Commitments [Line Items] COMMITMENTS Commitments and Contingencies Disclosure [Text Block] Commitments and contingencies COMMITMENTS AND CONTINGENCIES Common share capital Stock, Class of Stock [Table] Class of Stock [Line Items] Common share capital Warrant Instruments Equity [Text Block] Common share capital SHAREHOLDERS' DEFICIT FAIR VALUE MEASUREMENTS Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Line Items] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] FAIR VALUE MEASUREMENTS Segment information Segment Reporting [Table] Segment Reporting [Line Items] Significant accounting policies SEGMENT INFORMATION Segment Reporting [Text Block] Segment information SEGMENT INFORMATION Subsequent Events Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Events Basis of presentation and liquidity Subsequent Events [Text Block] Subsequent Events SUBSEQUENT EVENTS Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Consolidation, Policy [Policy Text Block] Principles of Consolidation Disclosure of accounting policy for emerging growth company. Emerging Growth Company [Policy Text Block] Emerging Growth Company Use of Estimates, Policy [Policy Text Block] Use of estimates Use of Estimates Concentration Risk, Credit Risk, Policy [Policy Text Block] Concentration of Credit Risk Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Investment, Policy [Policy Text Block] Investments Held in Trust Account Fair Value of Financial Instruments, Policy [Policy Text Block] Fair value of financial instruments Fair Value of Financial Instruments Disclosure of accounting policy for offering costs and allocation of initial public offering proceeds, in relation to financial instruments issued during the offering. Offering Costs, Policy [Policy Text Block] Offering Costs Shares Subject to Mandatory Redemption, Changes in Redemption Value, Policy [Policy Text Block] Class A Ordinary Shares Subject to Possible Redemption Income Tax, Policy [Policy Text Block] Deferred income taxes Income Taxes Disclosure of accounting policy for warrants. Warrants [Policy Text Block] Warrant Instruments Earnings Per Share, Policy [Policy Text Block] Net loss per share Net Income per Ordinary Share New Accounting Pronouncements, Policy [Policy Text Block] Recently issued and newly adopted accounting pronouncements Recent Accounting Standards Temporary Equity [Table Text Block] Schedule of issued and outstanding redeemable convertible preferred shares pre- and post-Rights Offering Schedule of reconciliation of Class A ordinary shares subject to possible redemption Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of reconciliation of the basic weighted average number of shares outstanding and the diluted weighted average number of shares outstanding Schedule of calculation of basic and diluted net income per ordinary share Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Schedule of assumptions used for calculation of convertible note Schedule of fair value assumptions of preferred shares and warrants Fair Value, Assets Measured on Recurring Basis [Table Text Block] Schedule of assets that are measured at fair value on a recurring basis Fair Value, Assets and Liabilities Measured on Nonrecurring Basis, Valuation Techniques [Table Text Block] Schedule of subscription agreement liability Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of activity of convertible notes Schedule of Fair value measurements Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of key metrics reviewed by CODM Sale of Stock [Axis] Sale of Stock [Domain] Represents information pertaining to initial public offering and over allotment option. Initial Public Offering And Over-allotment Option [Member] IPO including over-allotment IPO [Member] Initial Public Offering Over-Allotment Option [Member] Underwriters over-allotment option Represents a specific type of private investment transaction associated with a public company or SPAC business combination, where accredited investors purchase securities directly from the company in a negotiated private placement that occurs alongside or prior to a merger, acquisition, or other strategic transaction. Private Investment in Public Equity Financing [Member] PIPE financing Private Investment in Public Equity Financing Related Party Transaction [Axis] Related Party Transaction [Domain] Represents information pertaining to Founder shares. Founder Share [Member] Founder shares Represents information pertaining to Related Party Loans. Related Party Loans [Member] Related Party Loans Represents information pertaining to Working Capital Loans. Working Capital Loan [Member] Working Capital Loan Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Domain] Represents information pertaining to sponsor. Sponsor [Member] Sponsor Short-Term Debt, Type [Axis] Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Commercial Paper [Member] Unsecured promissory note Statistical Measurement [Axis] Statistical Measurement [Domain] Maximum [Member] Maximum Number of units issued during the period. Stock Issued During Period, Units, New Issues Number of units issued Price of a single unit issued during the period. Units, Issue Price Per Share Price per unit issued