Cover [Abstract] Document Information [Table] Class of Stock [Axis] Class of Stock [Domain] Represents the common shares, without par value. Common Shares, Without Par Value Common Shares, without par value Represents the redeemable warrants, each whole warrant exercisable for one common Share, each at an exercise price of $11.50 per share. Redeemable Warrants, Each Whole Warrant Exercisable For One Common Share, Each At An Exercise Price Of $11.50 Per Share Redeemable warrants, each whole warrant exercisable for one Common Share, each at an exercise price of $11.50 per share Document Information [Line Items] Document And Entity Information Document Type Document Type Document Annual Report Document Transition Report Document Period End Date Entity File Number Entity Registrant Name Entity Registrant Name Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Address, Address Line One Entity Address, City or Town Entity Address, State or Province Entity Address, Postal Zip Code City Area Code Local Phone Number Title of 12(b) Security Trading Symbol Security Exchange Name Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company ICFR Auditor Attestation Flag Document Financial Statement Error Correction [Flag] Entity Shell Company Entity Public Float Entity Common Stock, Shares Outstanding Documents Incorporated by Reference [Text Block] Current Fiscal Year End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Central Index Key Entity Central Index Key Amendment Flag Amendment Flag Auditor Name Auditor Firm ID Auditor Location Consolidated Balance Sheets Statement [Table] Statement [Line Items] Statement Assets [Abstract] ASSETS Assets, Current [Abstract] Current Cash and Cash Equivalents, at Carrying Value Cash Amount of receivables and prepayments. Receivables And Prepayments Current Receivables and prepayments Assets, Current Current Assets Total current assets Assets, Noncurrent [Abstract] Non-current Amount of exploration licenses. Exploration Licenses Noncurrent Balance at the end Balance at the beginning Exploration assets Operating Lease, Right-of-Use Asset Ending Balance Beginning Balance Right of use asset Property, Plant and Equipment, Net Equipment Intangible Assets, Net (Excluding Goodwill) Software Long-Term Investments Investment at the end of the period Investment at the beginning of the period Investments Assets, Noncurrent Non-Current Assets Total non-current assets Assets TOTAL ASSETS Liabilities [Abstract] LIABILITIES Liabilities, Current [Abstract] Current Accounts Payable and Accrued Liabilities, Current Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities Short-Term Debt Short-term debt Derivative Liability, Current Warrants liability Liabilities, Current Current Liabilities Total current liabilities Liabilities, Noncurrent [Abstract] Non-current Deferred Income Tax Liabilities, Net Net deferred tax assets (liabilities) Deferred tax liability The amount of accrued royalties, non-current. Accrued Royalties, Non-Current Royalty liability Derivative Liability, Noncurrent Warrants liability Liabilities, Noncurrent Total non-current liabilities Liabilities TOTAL LIABILITIES Stockholders' Equity Attributable to Parent [Abstract] EQUITY Common Stock, Value, Issued Common shares (unlimited shares, no par value - issued: 422,966,333 (December 31, 2024 - 340,708,460)) Additional Paid in Capital Additional paid - in capital Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Retained Earnings (Accumulated Deficit) Deficit Stockholders' Equity Attributable to Parent Balance Balance TOTAL EQUITY Liabilities and Equity TOTAL LIABILITIES AND EQUITY Common Stock, Shares Authorized, Unlimited [Fixed List] Common shares, authorized Common Shares, Authorized Common Stock, No Par Value Common shares, par value Common Stock, par value Common Stock, Shares, Issued Number of ending balance Number of beginning balance Common shares, issued Common Shares, Issued Consolidated Statements of Loss and Comprehensive Loss Operating Expenses [Abstract] Operating expenses Exploration Expense Exploration and evaluation expenses Exploration and Evaluation Expenses Exploration and evaluation expenses General and Administrative Expense General and administrative expenses Operating Income (Loss) Operating loss Other Items [Abstract] Other items The amount of expenses associated with warrant issuance. Warrants Issuance Costs Nauru and Tonga warrant costs Nauru warrant costs Amount of increase (decrease) due to adjustments to fair value of royalty liability. Fair Value Adjustments Of Royalty Liability Change in fair value of royalty liability Equity Method Investment, Realized Gain (Loss) on Disposal Equity-accounted investment loss Amount of gain (loss) recognized during the period due to reduction of entity's ownership percentage because the investee issues new shares to other parties and the investor does not participate in that issuance. Gain (Loss) On Dilution Of Investments Gain on dilution of investment Dilution gain Gain (Loss) on Contract Termination Loss on termination of contract Fair Value Adjustment of Warrants Change in fair value of warrant liability Change in fair value of warrants liability Foreign Currency Transaction Gain (Loss), before Tax Foreign exchange loss (gain) Interest Income (Expense), Net Interest income Amount of the cost of borrowed funds accounted for as interest expense for debt. Fees And Interest On Credit Facility Fees and interest on borrowings and credit facilities Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss and comprehensive loss for the year, before tax Net income (loss) before tax Income Tax Expense (Benefit) Tax Expense Income tax expense Loss and comprehensive loss for the year Loss for the period Earnings Per Share, Basic Loss per share - Basic (in dollars per share) Earnings Per Share, Diluted Loss per share - Diluted (in dollars per share) Weighted Average Number of Shares Outstanding, Basic Weighted average number of common shares outstanding - basic Weighted Average Number of Shares Outstanding, Diluted Weighted average number of common shares outstanding - diluted Consolidated Statements of Changes in Equity Equity Components [Axis] Equity Component [Domain] Common Stock Common Shares Additional Paid-in Capital [Member] Additional Paid-in Capital AOCI Attributable to Parent [Member] Accumulated Other Comprehensive Loss Retained Earnings [Member] Deficit Sale of Stock [Axis] Sale of Stock [Domain] Represents information pertaining to At-the-Market Equity Distribution Agreement. At-the -Market Equity Offering [Member] At-the -Market At-the-Market Equity Offering Represents information pertaining to 2025 registered direct offering. Registered Direct Offering 2025 [Member] 2025 Registered Direct Offering Represents information pertaining to 2024 registered direct offering. Registered Direct Offering 2024 [Member] 2024 Registered Direct Offering Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] Represent information pertaining to class A warrant. Classa Warrant [Member] Class A Warrants Represents the information pertaining to Class B warrants. Class B Warrants [Member] Class B Warrants Represents the information pertaining to Class C warrants. Class C Warrants [Member] Class C Warrants Shares, Outstanding Balance (in shares) Balance (in shares) Equity impact of the value of new stock issued during the period in a private placement. Shares Issued During Period, Value, Private Placement Issuance of shares and warrants to Korea Zinc Amount of issuance of shares to Korea Zinc Number of new stock issued for private placement during the period. Shares Issued During Period, Shares, Private Placement Issuance of shares to Korea Zinc (in shares) Issuance of shares and warrants to Korea Zinc (in shares) Value of stock issued as a result of the Registered direct offering during the period. Stock Issued During Period, Value, Registered Direct Offering Issuance of shares and warrants under, net of expenses Amount of issuance of shares under Registered Direct Offering Number of share issued under Registered direct offering during the period. Stock Issued During Period, Shares, Registered Direct Offering Issuance of shares and warrants under, net of expenses (in shares) Number of issuance of shares under Registered Direct Offering (in shares) Amount of change in fair value of warrants accounted as deemed dividend. Fair Value Adjustment of Warrants, Deemed Dividend Adjustment to Class A warrant Stock Issued During Period, Value, New Issues Shares issued from At-the-Market Equity Distribution Agreement Shares issued as per At-the Market Equity Distribution Agreement Stock Issued During Period, Shares, New Issues Aggregate of common shares to the investors Shares issued from At-the-Market Equity Distribution Agreement (in shares) Number of shares issued (in shares) Value of stock issued as a result of the exercise of warrants. Stock Issued During Period, Value, Warrants Exercised Exercise of warrants Number of share options (or share units) issued on warrants exercised during the current period. Stock Issued During Period, Shares, Warrants Exercised Exercise of warrants (in shares) Stock Issued During Period, Value, Conversion of Units Conversion of restricted share units, net of shares withheld for taxes Conversion of restricted share units Stock Issued During Period, Shares, Conversion of Units Conversion of restricted share units, net of shares withheld for taxes (in shares) Conversion of restricted share units (in shares) Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercise of stock options (in shares) Number of shares issued against stock option exercise Stock Issued During Period, Value, Employee Stock Purchase Plan Share purchase under Employee Share Purchase Plan Stock Issued During Period, Shares, Employee Stock Purchase Plans Share purchase under Employee Share Purchase Plan (in shares) Adjustments to Additional Paid in Capital, Warrant Issued Additional paid-in capital, warrant issued Nauru and Tonga warrant cost Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Foreign currency translation adjustment APIC, Share-based Payment Arrangement, Increase for Cost Recognition Share-based compensation and expenses settled with equity Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Operating activities Comprehensive Income (Loss), Net of Tax, Attributable to Parent Loss for the year Items Not Affecting Cash Abstract Items not affecting cash: Amortization Amortization for the year Amortization Operating Lease, Expense Lease expense during the period Lease expense Interest Expense, Debt Interest Expense Accrued interest on credit facilities Share-based Payment Arrangement, Noncash Expense Share-based compensation and expenses settled with equity Foreign Currency Transaction Gain (Loss), Unrealized Unrealized foreign exchange Amount of cash outflow for repayment of interest on line of credit facility. Repayments of Interest, Line of Credit Interest repaid Interest paid on amounts drawn from credit facilities and short-term debt Income Taxes Paid Corporate income taxes paid during the year Increase (Decrease) in Operating Capital [Abstract] Changes in working capital: The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services and prepaid expenses. Increase (Decrease) in Receivables and Prepaid Expense Receivables and prepayments Increase (Decrease) in Accounts Payable and Accrued Liabilities Accounts payable and accrued liabilities Net Cash Provided by (Used in) Operating Activities Net cash used in operating activities Net Cash Provided by (Used in) Investing Activities [Abstract] Investing activities Proceeds from Equity Method Investment, Distribution, Return of Capital Return of capital Proceeds from investee distribution Payments to Acquire Property, Plant, and Equipment Acquisition of equipment and software Net Cash Provided by (Used in) Investing Activities Net cash provided by (used in) investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Financing activities Proceeds from Issuance of Private Placement Gross proceeds from private placement Proceeds from Korea Zinc Private Placement The cash inflow associated with the amount received from entity's Registered direct offering of stock to the public. Proceeds from Issuance Registered Direct Offering Proceeds from Registered Direct Offerings Gross proceeds from registered direct offerings The cash outflow for cost incurred directly with the issuance of a Registered direct offering. Payments of Stock Issuance Costs, Registered Direct Offering Expenses paid for Registered Direct Offerings Expenses paid for registered direct offering Proceeds from Issuance of Common Stock Proceeds from shares issued from At-the-Market Distribution Agreement Proceeds from shares issued from ATM Proceeds from Warrant Exercises Proceeds from exercise Amounts received from warrant exercise Proceeds from Lines of Credit Amount drawn from credit facility Proceeds from drawdown of Credit Facilities Repayments of Lines of Credit Repayment of drawn amount on Credit Facilities Proceeds from Short-Term Debt Proceeds from Short-Term Debt Proceeds from drawdown of Allseas Short-Term Debt Repayments of Short-Term Debt Repayment of Allseas Short-Term Debt Repaid the outstanding loan amount The cash inflow from a working capital loan having initial term of repayment within one year or the normal operating cycle, if longer. Proceeds From Working Capital Loan Proceeds from drawdown of Allseas Working Capital Loan Agreement The cash outflow from a working capital loan having initial term of repayment within one year or the normal operating cycle, if longer. Repayment of Working Capital Loan Repayment of Allseas Working Capital Loan Proceeds from Stock Plans Proceeds from Employee Stock Purchase Plan Proceeds from Stock Options Exercised Proceeds from exercise of stock options Net Cash Provided by (Used in) Financing Activities Net cash provided by financing activities Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Excluding Exchange Rate Effect Increase/(Decrease) in cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Impact of exchange rate changes on cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash - end of year Cash - beginning of year Nature of Operations Nature of Operations [Text Block] Nature of Operations No definition available. Basis of Presentation Business Description and Basis of Presentation [Text Block] Basis of Presentation Significant Accounting Policies Significant Accounting Policies [Text Block] Significant Accounting Policies No definition available. Significant Accounting Estimates and Judgements No definition available. Significant Accounting Estimates And Judgement Text Block Significant Accounting Estimates and Judgements Recent Accounting Pronouncements Issued and Adopted Error Correction [Text Block] Recent Accounting Pronouncements Issued and Adopted Receivables And Prepayments. Receivables And Prepayments Text Block Receivables and Prepayments No definition available. Equipment and Software Property, Plant, and Equipment and Intangible Assets [Text Block] Equipment and Software The entire disclosure about strategic partnerships. Strategic Alliance with Allseas Group S. A. and Affiliates The entire disclosure of strategic partnerships. Strategic Partnership Disclosure [Text Block] Strategic Alliance with Allseas Group S. A. and Affiliates Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Investments