75000 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 75010 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 75020 - Statement - Condensed Consolidated Balance Sheets (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 75030 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited) link:presentationLink link:calculationLink link:definitionLink 75040 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 75050 - Statement - Condensed Consolidated Statements of Shareholders' Equity and Redeemable Noncontrolling Interest link:presentationLink link:calculationLink link:definitionLink 995455 - Disclosure - Description of Business link:presentationLink link:calculationLink link:definitionLink 995465 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 995475 - Disclosure - Acquisition link:presentationLink link:calculationLink link:definitionLink 995485 - Disclosure - Property and Equipment, Net link:presentationLink link:calculationLink link:definitionLink 995495 - Disclosure - Accounts Payable and Accrued Liabilities link:presentationLink link:calculationLink link:definitionLink 995505 - Disclosure - Class B Common Stock of ECRC link:presentationLink link:calculationLink link:definitionLink 995515 - Disclosure - Common Shares link:presentationLink link:calculationLink link:definitionLink 995525 - Disclosure - Exploration Expenditures link:presentationLink link:calculationLink link:definitionLink 995535 - Disclosure - Commitments link:presentationLink link:calculationLink link:definitionLink 995545 - Disclosure - Leases link:presentationLink link:calculationLink link:definitionLink 995555 - Disclosure - Fair Value Measurements link:presentationLink link:calculationLink link:definitionLink 995565 - Disclosure - Segment Information link:presentationLink link:calculationLink link:definitionLink 995575 - Disclosure - Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 995585 - Disclosure - Basis of Presentation (Tables) link:presentationLink link:calculationLink link:definitionLink 995595 - Disclosure - Acquisition (Tables) link:presentationLink link:calculationLink link:definitionLink 995605 - Disclosure - Property and Equipment, Net (Tables) link:presentationLink link:calculationLink link:definitionLink 995615 - Disclosure - Accounts Payable and Accrued Liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 995625 - Disclosure - Class B Common Stock of ECRC (Tables) link:presentationLink link:calculationLink link:definitionLink 995635 - Disclosure - Common Shares (Tables) link:presentationLink link:calculationLink link:definitionLink 995645 - Disclosure - Exploration Expenditures (Tables) link:presentationLink link:calculationLink link:definitionLink 995655 - Disclosure - Leases (Tables) link:presentationLink link:calculationLink link:definitionLink 995665 - Disclosure - Fair Value Measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 995675 - Disclosure - Description of Business (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995685 - Disclosure - Basis of Presentation (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995695 - Disclosure - Basis of Presentation - The Following Table Sets Forth the Computation of the Company's Basic and Diluted Net Income (Loss) per Share Attributable to Common Shareholders (Details) link:presentationLink link:calculationLink link:definitionLink 995705 - Disclosure - Basis of Presentation - Schedule of Excluded From the Dilutive Securities (Details) link:presentationLink link:calculationLink link:definitionLink 995715 - Disclosure - Basis of Presentation - Schedule of Excluded From the Dilutive Securities (Parenthetical) (Details) link:presentationLink link:calculationLink link:definitionLink 995725 - Disclosure - Acquisition (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995735 - Disclosure - Acquisition - Summary of fair values of the assets acquired (Details) link:presentationLink link:calculationLink link:definitionLink 995745 - Disclosure - Property and Equipment, Net - Summary of Property and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 995755 - Disclosure - Property and Equipment, Net (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995765 - Disclosure - Accounts Payable and Accrued Liabilities - Schedule of Accounts Payable and Accrued Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 995775 - Disclosure - Class B Common Stock of ECRC - The Earnout Shares were Valued Utilizing a Monte Carlo Simulation Pricing Model with the Following Primary Inputs: (Details) link:presentationLink link:calculationLink link:definitionLink 995785 - Disclosure - Class B Common Stock of ECRC - The Following Table Sets Forth a Summary of the Changes in the Fair Value of the Earnout Shares Liability for the Nine-Month Period Ended March 31, 2026: (Details) link:presentationLink link:calculationLink link:definitionLink 995795 - Disclosure - Class B Common Stock of ECRC (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995805 - Disclosure - Common Shares - Schedule Of Stock Option (Details) link:presentationLink link:calculationLink link:definitionLink 995815 - Disclosure - Common Shares - Schedule of warrant transactions (Details) link:presentationLink link:calculationLink link:definitionLink 995825 - Disclosure - Common Shares - Schedule of Outstanding Exercisable Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 995835 - Disclosure - Common Shares - Schedule of Outstanding Exercisable Warrants (Details) (Parenthetical) link:presentationLink link:calculationLink link:definitionLink 995845 - Disclosure - Common Shares - Schedule of 2023 Private Warrants using a Black-Scholes Pricing Model (Details) link:presentationLink link:calculationLink link:definitionLink 995855 - Disclosure - Common Shares - Schedule of change in 2023 Private Warrants liability (Details) link:presentationLink link:calculationLink link:definitionLink 995865 - Disclosure - Common Shares - Schedule of change in the April 2024 Warrant liability (Details) link:presentationLink link:calculationLink link:definitionLink 995875 - Disclosure - Common Shares - Schedule of November 2024 Private Warrants using a Black-Scholes Pricing Model (Details) link:presentationLink link:calculationLink link:definitionLink 995885 - Disclosure - Common Shares - Schedule of Change in Fair Value of November 2024 Private Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 995895 - Disclosure - Common Shares - Schedule of issued Common Shares under the Yorkville Equity Facility Financing Agreement (Details) link:presentationLink link:calculationLink link:definitionLink 995905 - Disclosure - Common Shares (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995915 - Disclosure - Exploration Expenditures - Schedule of Exploration Expenditures (Details) link:presentationLink link:calculationLink link:definitionLink 995925 - Disclosure - Exploration Expenditures (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995935 - Disclosure - Commitments - (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995945 - Disclosure - Leases - Schedule of Lease Costs Incurred (Details) link:presentationLink link:calculationLink link:definitionLink 995955 - Disclosure - Leases - Schedule of Maturities of Lease Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 995965 - Disclosure - Leases (Details Narrative) link:presentationLink link:calculationLink link:definitionLink 995975 - Disclosure - Fair Value Measurements - Schedule of Fair Values Determined by Level 3 Inputs are Unobservable Data (Details) link:presentationLink link:calculationLink link:definitionLink 995985 - Disclosure - Segment Information (Details Narrative) link:presentationLink link:calculationLink link:definitionLink Expired The element represents class of warrant or right expired. Number of Warrants, Expired Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Warrants Equity [Abstract] Entity Current Reporting Status Entity Current Reporting Status Increase (Decrease) in Deferred Liabilities Increase (Decrease) in Deferred Liabilities, Total Deferred reimbursements Operating expenses February Two Thousand Twenty Six Pre-Funded Warrants [Member] February two thousand twenty six pre-funded warrants. February 2026 Pre-Funded Warrants [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 2 Finite-Lived Intangible Asset, Expected Amortization, Year Four 2030 Change in fair value of earnout shares liability The element represents change in fair value of earnout liability. Change in fair value of earnout shares liability Document Fiscal Period Focus Document Fiscal Period Focus Entity Shell Company Entity Shell Company Contractual Obligation Contractual Obligation, Total Contractual commitment amount Trade payable accruals Trade payable accruals Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent, Total Gain Loss on Change in Fair Value of Warrants Gain loss on change in fair value of warrants. Change in fair value Fixed Assets and Vehicles Fixed assets and vehicles. Fixed assets and vehicles Subsidiary, Sale of Stock [Line Items] Stock Issued During Period, Shares, Conversion of Units Class B share conversion (in shares) Common shares issued in offering Common stock, shares issued Short-Term Debt [Table] Statement [Table] Fair Value Assumptions Risk Free Interest Rate Maximum Warrants Fair value assumptions risk free interest rate maximum warrants. Risk free rate Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Average grant-date fair value Non Controlling Interest Earnout Shares Expected Term Non controlling interest earnout shares expected term. Term (expiry) Statement [Line Items] Change in fair value of convertible notes The element represents change in fair value of convertible notes. Change in fair value of convertible notes Warrant [Member] Warrant [Member] Entity Filer Category Entity Filer Category Liabilities and Equity Total liabilities, redeemable noncontrolling interest, and shareholders' equity Payables and Accruals [Abstract] Long-Lived Tangible Asset [Axis] Reimbursements received Reimbursements Received Reimbursements received. Schedule of Fair Values Determined by Level 3 Inputs are Unobservable Data Cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Exercise Price Range [Axis] Offering Price per share Offering price per share Goodwill Goodwill, Ending Balance Goodwill, Beginning Balance Goodwill Goodwill Note Warrant [Member] Note Warrant [Member] Non-current Non-current Net loss The element represents net income loss1. Net (loss) Series B Private Warrants [Member] The element represents series b private warrants member. Series B Private Warrants [Member] Property, Plant and Equipment [Line Items] Finite-Lived Intangible Asset, Useful Life Estimated remaining useful life Concentration Risk [Table] Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Number of Options, Granted The following table sets forth a summary of the changes in the fair value of the Earnout Shares liability for the three-month period ended September 30, 2025: The element represents schedule ofsummary of the changes in the fair value of the earnout share liability table text block. The Following Table Sets Forth a Summary of the Changes in the Fair Value of the Earnout Shares Liability for the Nine-Month Period Ended March 31, 2026: The following table sets forth the computation of the Company’s basic and diluted net loss per share attributable to common shareholders: The Following Table Sets Forth the Computation of the Company's Basic and Diluted Net Income (Loss) per Share Attributable to Common Shareholders: Gain Loss on SEPA Issuance Gain (loss) on SEPA issuance. Loss on issuance Earnings Per Share, Basic Earnings Per Share, Basic, Total Income (loss) per common share, basic Income (loss) per Common Share outstanding - basic Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Number of Options, Beginning balance Number of Options, Ending balance The change in the fair value of the November 2024 Private Warrants is shown below: The element represents schedule of changes in the fair value of private warrants table text block. Schedule of Change in Fair Value of November 2024 Private Warrants Earnout Shares liability Earnout shares liability Total current liabilities Liabilities, Current Adjustments for: Other gain The element represents otheroperating gains losses. Otheroperating Gains Losses Payments for (Proceeds from) Other Deposits Payments for (Proceeds from) Other Deposits, Total Deposits SHAREHOLDERS’ EQUITY SHAREHOLDERS' EQUITY Entity Small Business Entity Small Business Equity facility draws Shares Issued Under Equity Facility Shares issued under equity facility. Accumulated deficit Accumulated deficit DESCRIPTION OF BUSINESS Description of Business Accretion of convertible debt Accretion of convertible debt Asset Acquisition, Fixed Assets Asset acquisition fixed assets. Fixed assets Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Work Performed under Contract Agreement Work performed under contract agreement. Work performed under contract agreement Cancelled/expired (in shares) Number of Options, Cancelled/expired Number of Options, Cancelled/expired Sale of Stock, Price Per Share Offering price of common shares issued in offering Organization, Consolidation and Presentation of Financial Statements [Abstract] Disaggregation of Income Statement Expense, Caption [Line Items] Warrant exercises The element represents stock issued during period value stock warrants exercised. Warrant exercises Amendment Flag Amendment Flag Agreement Extend Period Agreement extend period. Agreement extend period Loss Contingencies [Line Items] Equity placements The element represents stock issued during period value equity placement. Equity placements Basic and Diluted Earnings per Share Basic and Diluted Earnings per Share Concentration Risk [Line Items] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Net cash used in operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Increase (Decrease) in Operating Lease Liability Increase in lease liability Change in valuation of earnout shares liability The element represents change in fair value of earnout share liability. Change in fair value of earnout shares liability Segment Reporting, CODM, Profit (Loss) Measure, How Used, Description Common Stock [Member] Common Stock [Member] Disaggregation of Income Statement Expense, Caption [Table] Conversion of debt for common shares The element represents conversions of debt for common shares. Conversion of debt for common shares Granted Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted Average Exercise Price, Granted Earnout Liability Fair Value Addition Earnout liability fair value addition. Change in fair value Exercise Price2.31 [Member] The element represents exercise price2.31 member. Entity Address, Address Line One Entity Address, Address Line One Fair Value Hierarchy and NAV [Axis] Warrants Each Exercisable For1.11829212 Common Shares [Member] The element represents warrants each exercisable for1.11829212 common shares member. Warrants Each Exercisable For 1.11829212 Common Shares [Member] Supplemental cash flow information: Exercise Price01.75 [Member] The element represents exercise price01.75 member. The element represents class of warrant or right exercise price granted. Class Of Warrant Or Right Exercise Price Granted Weighted Average Exercise Price, Granted Operating Lease, Right-of-Use Asset Increase in right-of-use asset Right-of-use assets Net Income (Loss) Attributable to Noncontrolling Interest Net Income (Loss) Attributable to Noncontrolling Interest, Total Less: Net loss attributable to redeemable noncontrolling interest Adjust: Net (loss) attributable to noncontrolling interest Less: Net (loss) attributable to redeemable noncontrolling interest Schedule Common Shares Under Facility Financing Agreement [Table Text Block] The element represents schedule common shares under facility financing agreement table text block. Schedule of issued Common Shares under the Yorkville Equity Facility Financing Agreement Land Land Document Type Document Type Collaborative Arrangement and Arrangement Other than Collaborative [Axis] Collaborative Arrangement and Arrangement Other than Collaborative [Domain] Entity Central Index Key Entity Central Index Key Valuation Approach and Technique [Axis] Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Change in cash, cash equivalents, and restricted cash during the period Subsequent Event Type [Domain] Fair value adjustment for warrants exchanged Fair value adjustment for warrants exercised Fair value adjustment for warrants exercised Interest income Interest Income, Operating Exercise Price11.50 [Member] The element represents exercise price11.50 member. Common stock, par value (in dollars per share) Offering price of common shares issued in offering Common stock, par value (in dollars per share) LIABILITIES Liabilities: LIABILITIES Weighted Average Remaining Life Weighted Average Remaining Life Exercise Price1.75 [Member] The element represents exercise price1.75 member. Name Equity placements (in shares) The element represents stock issued during period value shares equity placement. Equity placements (in shares) Option exercises (in shares) Number of shares exercised Option exercises (in shares) Number of Options, Exercised Fair Value Measurements Repayments of Related Party Debt Related party debt repayment Working Capital Working capital. Working capital The element represents class of warrant or right exercise price exercised. Class Of Warrant Or Right Exercise Price Exercised Weighted Average Exercise Price, Exercised Current Fiscal Year End Date Current Fiscal Year End Date Warrant exercises (in shares) The element represents stock issued during period value shares stock warrants exercised. Warrant exercises (in shares) Document Quarterly Report Document Quarterly Report Exploration Reimbursements Recognized Exploration reimbursements recognized. Exploration reimbursements recognized Entity Address, State or Province Entity Address, State or Province The element represents class of warrant or right exercise price expired. Class Of Warrant Or Right Exercise Price Expired Weighted Average Exercise Price, Expired Total Financial Liabilities Fair Value Disclosure Total Shares Issued Under Equity Facility Shares Shares issued under equity facility shares. Equity facility draws (in shares) Accounts Receivable [Member] Accounts Receivable [Member] Exploration Expenditures The element represents exploration expenditures disclosures text block. Exploration Expenditures Disclosures [Text Block] Accounts payable, trade Accounts payable, trade Professional fees Professional fees Option exercises Option exercises Class B Common Stock Of Ecrc Equity Option [Member] Equity Option [Member] Subsequent Event [Member] Subsequent Event [Member] Exploration Expenditures Property, Plant and Equipment [Abstract] The element represents class of warrant or right granted. Class Of Warrant Or Right Granted Number of Warrants, Granted Other assets Other Assets, Noncurrent Antidilutive Securities [Axis] The following observable data points were used in calculating the fair value of the November 2024 Private Warrants using a Black-Scholes pricing model: Schedule of November 2024 Private Warrants using a Black-Scholes Pricing Model Fair Value Assumptions Expected Term Warrants Fair value assumptions expected term warrants. Expected warrant life in years April Private Warrantsliabilities [Member] The element represents april private warrantsliabilities member. April 2024 Warrants [Member] The Earnout Shares were valued utilizing a Monte Carlo Simulation pricing model with the following primary inputs: The element represents schedule of primary inputs into the monte carlo models table text block. The Earnout Shares were Valued Utilizing a Monte Carlo Simulation Pricing Model with the Following Primary Inputs: Share-Based Payment Arrangement, Option, Exercise Price Range [Table] Related Party Transaction [Axis] AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss [Member] Finite Lived Intangible Assets Amortization Expense After Year Four Finite lived iIntangible assets amortization expense after year four. Thereafter Unsecured Debt [Member] Unsecured Debt [Member] Debt Instrument, Maturity Date Expires date Platform Operator, Crypto Asset [Table] Fair Value Assumptions Expected Dividend Rate Warrants Fair value assumptions expected dividend rate warrants. Dividend yield Financial Instrument [Axis] Current Current Fair Value, Inputs, Level 3 [Member] Segment Reporting [Abstract] Business Combination, Recognized Asset Acquired, Asset Assets acquired Current Current Earnout [Member] The element represents earnout member. Earnout [Member] Vested shares outstanding Common Stock, Other Shares, Outstanding November Private Warrants [Member] The element represents november private warrants member. November Private Warrants [Member] Sublease income Sublease Income Sublease income Other gains Other Income Commitments and Contingencies Commitments and contingencies COMMON SHARES Common Shares Present value of lease payments Present value of lease payments Present value of lease payments Restricted cash Restricted Cash, Current Concentration Risk Benchmark [Axis] Share issuance costs Cost Incurred in Issuance of Stock Cost incurred in issuance of stock. Deferred financing costs Debt Issuance Costs, Noncurrent, Net Debt Issuance Costs, Noncurrent, Net, Total Non-current Non-current Loss for the period Loss for the period Net income (loss) and comprehensive income (loss) Net (loss) for the period Cost Centre [Domain] Value of warrants issued The element represents value of warrants issued. Value of warrants issued Long-Term Debt, Type [Domain] Loss Contingencies [Table] Weighted average shares outstanding - basic and diluted Weighted Average Number of Shares Outstanding, Basic, Total Weighted average common shares outstanding, basic Cost Centre [Axis] The element represents cost centre axis. Long-Lived Tangible Asset [Domain] Asset Acquisition, Consideration Transferred, Transaction Cost Transaction costs Asset Acquisition, Security Deposit Asset acquisition security deposit. Security deposit Equity, Attributable to Parent Beginning balance, value Ending balance, value Total shareholders' equity Basis of Presentation and Consolidation Basis of Presentation and Consolidation Statement of Stockholders' Equity [Abstract] Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Remainder of fiscal year 2026 Valuation Approach and Technique [Domain] Use of Estimates Use of Estimates Treasury Stock [Member] Treasury Stock, Common [Member] Gain (Loss), Foreign Currency Transaction, before Tax Foreign exchange loss (gain) Entity Address, Address Line Two Entity Address, Address Line Two Common Share Purchase Right [Member] Common Share Purchase Right. Common Share Purchase Rights [Member] Exercise Price2.07 [Member] The element represents exercise price2.07 member. Other Assets, Current Other current assets Segment Reporting, CODM, Individual Title and Position or Group Name [Extensible Enumeration] Stock Issued During Period Value Private warrant conversions Stock issued during period value private warrant conversions. Private warrant conversions Two Thousand Twenty Three Public Warrants [Member] Two thousand twenty three public warrants. 2023 Public Warrants Entity [Domain] Exchange of 2023 Private Warrants for 2023 Public Warrants The element represents exchange of warrants description. Exchange of 2023 Private Warrants for 2023 Public Warrants Number of share outstanding Warrants outstanding Number of Warrants, Beginning balance Number of Warrants, Ending balance Number of share outstanding Asset Acquisition [Text Block] Acquisition Acquisition Purchase Agreement [Member] Purchase Agreement [Member] Advanced Technology International [Member] Advanced Technology International. Advanced Technology International [Member] Entity Address, City or Town Entity Address, City or Town Schedule of excluded from the dilutive securities Schedule of Excluded From the Dilutive Securities Common Shares Without Par Value [Member] The element represents common shares without par value member. Number of reportable segments Reportable segments Geologist And Field Staff [Member] The element represents geologist and field staff member. Geologist And Field Staff [Member] Security Exchange Name Security Exchange Name Redeemable noncontrolling interest Redeemable noncontrolling interest Land and buildings, net Property, Plant and Equipment, Gross, Ending Balance Property, Plant and Equipment, Gross, Beginning Balance Total property and equipment, gross Total property and equipment, gross Property, Plant and Equipment, Gross Deferred reimbursements Increase Decrease In Deferred Reimbursements Increase decrease in deferred reimbursements. Measurement Input Type [Domain] Antidilutive Securities, Name [Domain] Fair Value Assumptions Exercise Price Warrants Fair value assumptions exercise price warrants. Closing Common Share price Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Cash, cash equivalents, and restricted cash, beginning of period Cash, cash equivalents, and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation, Total Interest Paid, Excluding Capitalized Interest, Operating Activity Interest paid Statistical Measurement [Domain] Additions to construction in progress not yet paid Construction in Progress Expenditures Incurred but Not yet Paid Construction in progress Warrant Liabilities Fair Value Warrant liabilities fair value. Fair value as of June 30, 2025 Warrant liabilities, at fair value Fair value as of March 31, 2026 Exercise price Warrant exercise price Weighted Average Exercise Price, Beginning balance Weighted Average Exercise Price, Ending balance Exercise Price Total current assets Assets, Current Document Period End Date Document Period End Date Fair Value Hierarchy and NAV [Domain] Statement of Financial Position [Abstract] Change in fair value of warrant liabilities The element represents change in fair value of warrant liability. Change in fair value of warrant liabilities Antidilutive Security, Excluded EPS Calculation [Table] Asset Acquisition, Intangible Asset Technology Asset acquisition intangible asset technology. Intangible asset - technology Class of Stock [Axis] The element represents schedule of exploration expenditures table text block. Schedule of Exploration Expenditures September Property Purchases [Member] The element represents september property purchases member. September Property Purchases [Member] Expiry date Expiry Date Platform Operator, Crypto Asset [Line Items] Total liabilities Liabilities Asset Acquisition, Accounts Receivable and Prepaids Asset acquisition accounts receivable and prepaids. Accounts receivable and prepaids Vested Shares Exchanged with Common Shares Vested shares exchanged with common shares. Vested shares exchanged with common shares Financial Instruments [Domain] The element represents class of warrant or right exercised. Class Of Warrant Or Right Exercised Number of Warrants, Exercised Measurement Input, Exercise Price [Member] Measurement Input, Exercise Price [Member] Valuation Technique, Option Pricing Model [Member] Valuation Technique, Option Pricing Model [Member] Increase (Decrease) in Deferred Revenue Decrease in dererred reimbursements Deferred reimbursement balance Common Stock Dividends, Shares Common stock shares Change in fair value of convertible note The element represents change in fair value of convertible note. Change in fair value of convertible note Metallurgicaldevelopment [Member] The element represents metallurgicaldevelopment member. Metallurgical Development [Member] Weighted Average Number of Shares Outstanding, Diluted Weighted average common shares outstanding, diluted Weighted Average Number of Shares Outstanding, Diluted, Total Entity File Number Entity File Number Common Share Description The element represents common share description. Common share description Other Assets Other Assets, Total Advance amount included in other assets BASIS OF PRESENTATION Basis of Presentation Cover [Abstract] Measurement Input Type [Axis] Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Prepaid expenses and other Prepaid expenses and other Prepaid advance Name Number of Operating Segments Number of operating segments Sale of Stock [Domain] SEGMENT INFORMATION Segment Information Mineral Exploration Expense Mineral exploration expense. Exploration expenditures Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested, Number of Shares Short-Term Debt, Type [Domain] Commitments Commitments Disclosure [Text Block] Warrant Fair Value Measurement, Historic Volatility Rate The measure of the percentage by which warrant price fluctuates during a period. Historic equity volatility Reimbursement Payment Receivable Maximum Amount The element represents reimbursement payment receivable maximun amount. Reimbursement payments Short-Term Debt, Type [Axis] Recent Accounting Standards Recent Accounting Standards The maturities of lease liabilities are as follows as of December 31, 2025: Schedule of Maturities of Lease Liabilities Cash Paid For Acquisition Of Property Plant And Equipment The element represents cash paid for acquisition of property plant and equipment Cash consideration Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Debt conversions (in shares) Debt conversions (in shares) Common Stock Shares Issued 1 The element represents common stock shares issued1. Common Shares issued Common stock, shares outstanding Beginning balance (in shares) Ending balance (in shares) Common stock, shares outstanding Operating lease liability Less current portion of lease payments Operating lease liability Less current portion of lease payments Document Transition Report Document Transition Report Total operating expenses Operating Expenses Drilling [Member] The element represents drilling member. Drilling [Member] Leases Lessee, Operating Leases [Text Block] G X I I Private Warrants [Member] G X I I Private Warrants [Member] No Trading Symbol Flag Statement of Cash Flows [Abstract] Share issuance costs Share issuance costs Market value of Common Shares issued Share issuance costs Less portion of payments representing interest The element represents less amount of payments representing interest. Less portion of payments representing interest Less portion of payments representing interest Assets acquired in business combination Payments to Acquire Businesses, Net of Cash Acquired Payments to Acquire Businesses, Net of Cash Acquired, Total Sale of Stock, Consideration Received Per Transaction Gross funds received Net income (loss) and comprehensive income (loss) attributable to the Company Income (loss) for the period Aggregate intrinsic value Aggregate Intrinsic Value Long-Term Purchase Commitment, Amount Total commitments Equity Securities, FV-NI, Unrealized Gain (Loss) Equity Securities, FV-NI, Unrealized Gain (Loss), Total Unrealized loss (gain) on equity securities   Cash Provided by (Used in) Operating Activity, Continuing Operation Intangible Assets, Net (Excluding Goodwill) Intangible Assets, Net (Excluding Goodwill), Total Intangible assets, net Name ASSETS Assets: ASSETS Risk-free rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free rate Construction in Progress [Member] Construction in Progress [Member] Repayments of Debt Debt repayments ECRC [Member] Elk Creek Resources Corp [Member] Elk Creek Resources Corp (ECRC). Document Fiscal Year Focus Document Fiscal Year Focus Exercise Price Range [Domain] Risk-free rate Non Controlling Interest Earnout Shares Risk-free Rate Non controlling interest earnout shares risk-free rate. Other Acquisition Costs, Land and Minerals Rights Other indirect costs related to the acquisition of land and mineral rights. Indirect costs Concentration Risk Benchmark [Domain] CASH FLOWS FROM INVESTING ACTIVITIES Accounts payable and accrued liabilities Accounts payable and accrued liabilities Shareholder rights plan expiration date Shareholder Rights Plan Expiration Date Shareholder rights plan expiration date. Interest expense Interest expense Fair Value, off-Balance-Sheet Risk [Table] Deferred Revenue Deferred reimbursements Deferred Revenue, Total Deferred reimbursements in current liabilities Equity Securities, FV-NI, Gain (Loss) Equity Securities, FV-NI, Gain (Loss), Total (Gain) loss on equity securities Share-based compensation Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total Transaction Type [Axis] Exchange of warrants The element represents exchange of warrants. Exchange of warrants Finite-Lived Intangible Asset, Expected Amortization, Year One 2027 Exercise Price02.07 [Member] The element represents exercise price02.07 member. Net loss attributable to vested shares of ECRC Class B common stock The element represents net loss attributable to vested shares of ecrc class b common stock. Net (loss) attributable to vested shares of ECRC Class B common stock Fair Value Disclosures [Abstract] Commitments and Contingencies Disclosure [Abstract] The change in the 2023 Private Warrants liability is presented below: The element represents schedule of changes in the fair value of the private warrants table text block. Schedule of change in 2023 Private Warrants liability August Property Purchases [Member] The element represents august property purchases member. August Property Purchases [Member] Net loss available to participating securities Net loss available to participating securities, Total Net income (loss) available to participating securities Derivative Instrument [Axis] Total Total Sale of Stock [Axis] Warrant Determination Percentage Warrant determination percentage. Warrant determination percentage Net cash used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Private Placement [Member] Private Placement [Member] Title of 12(b) Security Title of 12(b) Security Stock Issued During Period, Value, Conversion of Units Class B share conversions Cancelled/expired Weighted Average Exercise Price , Cancelled/expired Royalty Rate The element represents royalty rate Royalty rate Beneficial ownership percentage Percentage of Beneficial Ownership Percentage of beneficial ownership. Warrant Exchange Ratio Warrant exchange ratio. Warrant exchange ratio Description of warrants Description of warrants Asset Acquisition, Inventory Asset acquisition inventory. Inventory Legal Entity [Axis] Change in working capital items: Change in working capital items, net of effects of acquired business: Summary of Property and Equipment, Net Property, Plant and Equipment [Table Text Block] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted Average Exercise Price, Ending balance Weighted Average Exercise Price, Beginning balance Income Loss From Continuing Operations Before Income Taxes Income loss from continuing operations before income taxes. Income (loss) before income taxes Acquisition of mineral rights Payments to Acquire Mineral Rights Payments to acquire mineral interests Trading Symbol Trading Symbol Technical Studies And Engineering [Member] The element represents technical studies and engineering member. Technical Studies And Engineering [Member] Property and Equipment, Net Property, Plant and Equipment Disclosure [Text Block] Investment in equity securities The element represents available for sale securities equity securities other. Available For Sale Securities Equity Securities Other Property purchases amount Property purchases amount Term (expiry) The element represents sharebased compensation arrangement by sharebased payment award fair value assumptions expected term2. Term (expiry) Debt conversions Debt conversions Subsequent Event Type [Axis] CASH FLOWS FROM FINANCING ACTIVITIES Expected warrant life in years Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected warrant life in years ACCOUNTS PAYABLE AND ACCRUED LIABILITIES Accounts Payable and Accrued Liabilities Total remaining lease payments Total remaining lease payments Total remaining lease payments Noncontrolling Interest Disclosure [Text Block] Class B Common Stock of ECRC Equity Components [Axis] Fixed Assets and Vehicles [Member] Fixed assets and vehicles. Fixed assets and vehicles [Member] Schedule Of Stock Option The element represents schedule of stock option roll forward table text block. Equity Component [Domain] Fair value as of June 30, 2025 Servicing Liability at Fair Value, Amount Fair value as of December 31, 2025 Net Exploration Expense Net exploration expense. Net exploration expense Exploration expenditures Net exploration expense Increase (Decrease) in Other Current Assets Other current assets Series A Private Warrants [Member] The element represents series a private warrants member. Series A Private Warrants [Member] Change in valuation of warrant liabilities The element represents change in valuation of warrant liabilities. Change in fair value of warrant liabilities Warrant Fair Value Measurments, Expected Term Expected warrant life, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Expected warrant life in years Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Depreciation, Depletion and Amortization, Nonproduction, Total Leases Company Incurred Lease Costs As Follows Maturities Of Lease Liabilities Are As Follows As Of September 30 2025 Disclosure Leases Abstract Earnout liability, at fair value The element represents earnout liability at fair value. Earnout liability, at fair value Fair value as of June 30, 2025 Fair value as of March 31, 2026 Maximum [Member] Maximum [Member] Statistical Measurement [Axis] Exercised Weighted Average Exercise Price, Exercised Finite-Lived Intangible Assets, Accumulated Amortization Amortization expense recognize Common stock, no par value, unlimited shares authorized; 100,737,151 and 58,491,196 shares outstanding, respectively Common stock - no par value, unlimited shares authorized; 145,327,493 and 58,491,196 shares issued and outstanding, respectively Fair value of private placement warrants Fair value of private placement warrants. Fair value of private placement warrants Property, Plant, and Equipment, after Accumulated Depreciation Property, plant, and equipment, after accumulated depreciation. Total property and equipment, after accumulated depreciation Land and Mineral Properties Net Land and mineral properties net. Land and mineral properties Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items] Fair Value Assumptions Expected Volatility Rate Warrants Fair value assumptions expected volatility rate warrants. Implied volatility of our publicly traded Warrants Initial Advance Payment made to Contractor Initial advance payment made to contractor. Initial advance payment made to contractor As of September 30, 2025, the Company had outstanding exercisable Warrants, as follows: The element represents schedule of outstanding exercisable warrants table text block. Schedule of Outstanding Exercisable Warrants Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items] Implied volatility of our publicly traded Warrants Historic equity volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Implied volatility of our publicly traded Warrants Pre-Funded Warrants [Member] Pre funded warrants. Pre-Funded Warrants [Member] Related Party Transaction [Line Items] Business Combination [Table] Entity Registrant Name Entity Registrant Name Finite-Lived Intangible Asset, Expected Amortization, Year Two 2028 Number of Warrants Exchanged The element represents warrants exchanged during period shares. Number of Warrants Exchanged Accumulated Other Comprehensive Income (Loss) [Table] Total accounts payable and accrued liabilities Total accounts payable and accrued liabilities Finite-Lived Intangible Asset, Expected Amortization, Year Three 2029 Income tax benefit Income tax benefit Warrant Fair Value Measurement, Risk Free Interest Rate The risk-free interest rate assumption that is used in valuing a warrant. Risk-free rate Proceeds from issuance of capital stock Net Proceeds Other operating expenses Other operating expenses The following observable data points were used in calculating the fair value of the 2023 Private Warrants using a Black-Scholes pricing model: Schedule of 2023 Private Warrants using a Black-Scholes pricing model Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Accumulated other comprehensive loss Accumulated other comprehensive loss Fixed rent expense The element represents fixed rent expense. Fixed rent expense Land remaining amount Land remaining amount Payments to Acquire Property, Plant, and Equipment, Total Acquisition of mineral properties and property and equipment Total assets Assets Property, Plant and Equipment [Table] Income Statement [Abstract] Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] Equity Securities, FV-NI, Realized Gain (Loss) Equity Securities, FV-NI, Realized Gain (Loss), Total Loss on equity facility issuances Shares issue Shares issue Operating Lease Cost: Earnings Per Share, Diluted Earnings Per Share, Diluted, Total Income (loss) per common share, diluted Income (loss) per Common Share outstanding - diluted Non Controlling Interest Earnout Shares Implied Volatility Non controlling interest earnout shares implied volatility. Implied volatility of our publicly traded Warrants City Area Code City Area Code Debt Instrument, Issued, Principal Aggregate principal amount Mineral properties Mineral properties Business Combination [Line Items] non-cash loss The element represents gain loss on change in fair value of warrant liability. Non-cash loss Total potential dilutive securities The element represents dilutive securities shares. Total potentially dilutive securities Net loss attributed to common shareholders - basic and diluted Net income (loss) attributed to common shareholders - basic and diluted Net income (loss) attributed to common shareholders - basic and diluted Variable rent expense Variable rent expense Two Thousand Twenty Three Private Warrants [Member] Two thousand twenty three private warrants. 2023 Private Warrants Lease cost – other operating expense: Lease cost - other operating expense: Property and equipment, net Property, Plant and Equipment, Net Property and equipment, net Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Retained Earnings [Member] Accumulated Deficit [Member] Transaction [Domain] Non-cash lease activity Noncash operating lease expense adjustment. Non-cash operating lease expense adjustment. Share based compensation Share based compensation Share-Based Payment Arrangement, Noncash Expense, Total Share issue costs Payments of Stock Issuance Costs November Property Purchases [Member] The element represents november property purchases member. November Property Purchases [Member] Redeemable Noncontrolling Interest [Member] The element represents redeemable noncontrolling interest member. Redeemable Noncontrolling Interest [Member] Non-current lease liability Operating lease liability Non-current lease liability Non-current lease liability Fair Value, Inputs, Level 1 [Member] Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Net cash provided by financing activities Short-Term Debt [Line Items] Asset Acquisition [Table Text Block] Summary of fair values of the assets acquired Summary of fair values of the assets acquired The Company incurred lease costs as follows: Schedule of Lease Costs Incurred Asset Acquisition [Abstract] Fieldmanagementandother [Member] The element represents fieldmanagementandother member. Field Management and Other [Member] NioCorp Assumed Warrants [Member] NioCorp Assumed Warrants. NioCorp Assumed Warrants [Member] Exercise of warrants The element represents warrant exercise. Warrant Exercise Exercise of warrants Schedule of Warrant Transactions Warrant liabilities Derivative Liability, Noncurrent Warrant liabilities, at fair value Derivative Contract [Domain] Environmental accruals Environmental accruals Entity Interactive Data Current Entity Interactive Data Current CASH FLOWS FROM OPERATING ACTIVITIES Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Table] Related party debt draws Exploration Reimbursements Recognized Outstanding Exploration reimbursements recognized outstanding Exploration reimbursements recognized outstanding. Warrants traded prior to the closing Stock Issued During Period, Shares, Issued for Services Shares exercisable Entity Tax Identification Number Entity Tax Identification Number Land [Member] Land [Member] Closing common share price Closing Common Share price Long-Term Debt, Type [Axis] GXII Warrants [Member] GXII Warrants. GXII Warrants [Member] Construction in Progress, Gross Construction in progress Local Phone Number Local Phone Number The change in the April 2024 Warrant liability is presented below: The element represents schedule of changes in the fair value of the private warrant table text block. Schedule of change in the April 2024 Warrant liability Related Party Transaction [Domain] Yorkville Equity Facility Financing Agreement [Member] Yorkville Equity Facility Financing Agreement [Member] Yorkville equity facility financing agreement. Accumulated Other Comprehensive Income (Loss) [Line Items] Other Liabilities, Current Warrant liabilities, at fair value Short-term lease cost Short-term lease cost Deferred financing costs Payments of Financing Costs Payments of Financing Costs, Total Lessee Operating Lease Extended Lease Term Lessee operating lease extended lease term. Operating lease extended lease term Issuance of warrants The element represents stock issued during period value issuance of financing warrants. Issuance of warrants Capitalized expenditures Payments for Capital Improvements Options Class of Stock [Domain] Employee related costs Employee related costs Issuance of warrants The element represents issuance of warrants. IssuanceOfWarrants Cash, Cash Equivalents, and Short-Term Investments Cash, Cash Equivalents, and Short-Term Investments, Total Total cash, cash equivalents Accumulated Depreciation Accumulated depreciation. Accumulated depreciation Schedule of account payable and accrued liabilities: Schedule of Accounts Payable and Accrued Liabilities Common stock, authorized Common stock, authorized Entity Emerging Growth Company Entity Emerging Growth Company