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 Quarterly 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 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 Entity Ex Transition Period Entity Ex Transition Period Entity Shell Company Entity Common Stock, Shares Outstanding 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 Condensed 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 Exploration contracts Property, Plant and Equipment, Net Equipment Intangible Assets, Net (Excluding Goodwill) Software development costs Operating Lease, Right-of-Use Asset Right-of-use Asset Right-of-use Asset Right-of-use asset Long-Term Investments Investment Investment as at December 31, 2023 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 Liabilities, Current Current Liabilities Total current liabilities Liabilities, Noncurrent [Abstract] Non-current Deferred Income Tax Liabilities, Net Deferred tax liability The amount of accrued royalties, non-current. Accrued Royalties, Non-Current Royalty liability Amount of warrant liability. Warrant Liability Warrants liability Liabilities TOTAL LIABILITIES Stockholders' Equity Attributable to Parent [Abstract] EQUITY Common Stock, Value, Issued Common shares (unlimited shares, no par value - issued: 318,291,383 (December 31, 2023 - 306,558,710)) Additional Paid in Capital 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, No Par Value Common shares, par value Common Stock, Shares, Issued Common shares, issued Condensed 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 Equity Method Investment, Realized Gain (Loss) on Disposal Equity-accounted investment loss Fair Value Adjustment of Warrants Change in fair value of private warrants liability Change in fair value of warrants liability Foreign Currency Transaction Gain (Loss), before Tax Foreign exchange (gain) loss 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 credit facility Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss and comprehensive loss for the year, before tax Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Loss and comprehensive loss for the period Earnings Per Share, Basic Loss per share - basic Earnings Per Share, Diluted Loss per share - diluted 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 Condensed 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 Shares, Outstanding Balance (in Shares) Balance (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 Registered Direct Offering, net of expenses (Notes 9, 10) 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 Registered Direct Offering, net of expenses (Notes 9, 10) (in shares) Number of issuance of shares under Registered Direct Offering (Note 12) (in shares) Stock Issued During Period, Value, New Issues Shares issued to Allseas Stock Issued During Period, Shares, New Issues Aggregate of common shares to the investors Shares issued to Allseas (in shares) Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options (Note 11) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Exercised Exercise of stock options (Note 11) (in shares) Stock Issued During Period, Value, Conversion of Units Conversion of restricted share units, net of shares withheld for taxes (Note 11) Stock Issued During Period, Shares, Conversion of Units Conversion of restricted share units, net of shares withheld for taxes (Note 11) (in shares) Conversion of restricted share units (in shares) APIC, Share-based Payment Arrangement, Increase for Cost Recognition Share-based compensation and expenses settled with equity (Notes 10, 11) Loss for the period Condensed Consolidated Statements of Cash Flows Net Cash Provided by (Used in) Operating Activities [Abstract] Operating activities Items Not Affecting Cash Abstract Items not affecting cash: The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives. Adjustments For Amortization Amortization Operating Lease, Expense Lease expense Lease expense Share-based Payment Arrangement, Noncash Expense Share-based compensation and expenses settled with equity Foreign Currency Transaction Gain (Loss), Unrealized Unrealized foreign exchange movement 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 Payments to Acquire Property, Plant, and Equipment Acquisition of equipment and software Net Cash Provided by (Used in) Investing Activities Net cash used in investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Financing activities 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 Offering 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 Offering Expenses paid for Registered Direct Offering Proceeds from Stock Options Exercised Proceeds from exercise of stock options The amount of proceeds from equity method investments classified as financing activities. Proceeds From Equity Method Investments, Classified as Financing Activities Proceeds from Low Carbon Royalties investment 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 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 period Cash - beginning of period 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 N/A Use of Estimates The entire disclosure of use of estimates. Use Of Estimates Disclosure [Text Block] Use of Estimates Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Fair Value of Financial Instruments Recent Accounting Pronouncements Issued and Adopted Error Correction [Text Block] Recent Accounting Pronouncements Issued and Adopted The entire disclosure about strategic partnerships. Strategic Alliance with Allseas and Affiliates The entire disclosure of strategic partnerships. Strategic Partnership Disclosure [Text Block] Strategic Alliance with Allseas and Affiliates Investment in Low Carbon Royalties Equity Method Investments and Joint Ventures Disclosure [Text Block] Investment in Low Carbon Royalties n/a Exploration and Evaluation Expenses The entire disclosure for the exploration and evaluation expenses. Exploration and Evaluation Expenses [Text Block] Exploration and Evaluation Expenses No definition available. Registered Direct Offering The entire disclosure for Registered Direct Offering. Registered Direct Offering [Text Block] Registered Direct Offering The disclosure of Warrant liability abstract. Warrants The entire disclosure of warrant liability. Warrants Liability [Text Block] Warrants Share-Based Compensation Share-based Payment Arrangement [Text Block] Share-Based Compensation Loss per Share Earnings Per Share [Text Block] Loss per Share Related Party Transactions Related Party Transactions Disclosure [Text Block] Related Party Transactions Contingent Liabilities Commitments and Contingencies Disclosure [Text Block] Contingent Liabilities Segmented Information Segment Reporting Disclosure [Text Block] Segmented Information Basis of Accounting, Policy [Policy Text Block] Basis of Presentation Use of Estimates, Policy [Policy Text Block] Use of Estimates Fair Value of Financial Instruments, Policy [Policy Text Block] Fair Value of Financial Instruments New Accounting Pronouncements, Policy [Policy Text Block] Recent Accounting Pronouncements Issued and Adopted The tabular disclosure of right of use assets. Schedule Of Right Of Use Assets [Table Text Block] Net amount of right-of-use asset Investment [Table Text Block] Schedule of investment Equity Method Investments [Table Text Block] Schedule of low carbon royalties Schedule Of Reconciliation Exploration Licenses Table Text Block Schedule of exploration and evaluation expenses Class of Warrant or Right [Table] Class of Warrant or Right [Axis] Class of Warrant or Right [Domain] The member stands for private placement warrants. Private Warrants [Member] Private placement warrants Private Warrants Represent information pertaining to class A warrant. Classa Warrant [Member] Class A Warrant Class A Warrants Class of Warrant or Right [Line Items] Changes in the fair value of warrants liability Class of Warrant or Right Schedule of Derivative Liabilities at Fair Value [Table Text Block] Schedule of changes in the fair value of warrant liabilities Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Schedule of fair value measurement input Stock Options (Tables) [Table] Restricted stock units Restricted Stock Units ("RSUs") Stock Options (Tables) [Line Items] Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Summary of the RSU activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Schedule of company estimated the realization of the vesting conditions Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Schedule of anti-dilutive common equivalent shares Costs Incurred in Oil and Gas Property Acquisition, Exploration, and Development Activities [Table] Legal Entity [Axis] Entity [Domain] Represents information pertaining to the Company's wholly-owned subsidiary, Nauru Ocean Resources Inc. ("NORI"). Nauru Ocean Resources Inc [Member] NORI Represents information pertaining to the Company's wholly-owned subsidiary, Tonga Offshore Mining Limited ("TOML"). Tonga Off shore Mining Limited TOML Represents information pertaining to the Company's wholly-owned subsidiary, Marawa Research and Exploration Limited ("Marawa"). Marawa Research and Exploration Limited Marawa Costs Incurred, Oil and Gas Property Acquisition, Exploration, and Development Activities [Line Items] Nature of Operations Area of exploration right granted. Area of Exploration Right Granted Area of exploration granted (in square km) Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. Fair Value, Assets, Level 1 to Level 2 Transfers, Amount1 Fair value of assets, Transfers from Level 1 to Level 2 Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. Fair Value Assets, Level 2 To Level 1 Transfers Amount 1 Fair value of assets, Transfers from Level 2 to Level 1 Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount 1 Fair value of liabilities, Transfers from Level 1 to Level 2 Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount 1 Fair value of liabilities, Transfers from Level 2 to Level 1 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Transfers, Net Fair value of liabilities, Transfers into (out of) Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net Fair value of assets, Transfers into (out of) Level 3 Schedule of Finite-Lived Intangible Assets [Table] Project [Axis] Project [Domain] Project Management Technology Services [Member] Project Management Technology Services [Member] Project Management Technology Services Finite-Lived Intangible Assets [Line Items] Strategic Partnerships Operating Lease, Liability Lease liability Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Finance Lease, Right-of-Use Asset, after Accumulated Amortization [Abstract] Right-of-use Asset Line of Credit Facility [Table] Credit Facility [Axis] Credit Facility [Domain] Represents information pertaining to unsecured credit facility. Unsecured Credit Facility [Member] Unsecured Credit Facility Line of Credit [Member] Line of credit Counterparty Name [Axis] Counterparty Name [Domain] This member stands for Allseas and its Affiliates. Allseas And Affiliates [Member] Allseas and affiliates Represents the information pertaining to Allseas. Allseas [Member] Allseas Related Party [Axis] Related Party [Domain] Related party Related party Line of Credit Facility [Line Items] Credit Facility with Allseas Affiliate Line of Credit Facility, Maximum Borrowing Capacity Aggregate borrowed amount Number of days average considered for percentage points added to the reference rate to compute the variable rate on the debt instrument. Debt Instrument, Number Of Days Average Considered For Basis Spread on Variable Rate Number of days average considered for basis spread Debt Instrument, Basis Spread on Variable Rate Interest rate Percentage of interest that shall be paid in kind, at maturity, at the Company's election, under the debt arrangement. Debt Instrument, Voluntary Interest Paid In Kind At Maturity Interest paid in kind at maturity Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Credit facility interest rate Line of Credit Facility, Commitment Fee Amount Underutilization fees Line of Credit Facility, Interest Rate Description Line of credit facility interest rate term Related Party Transaction, Amounts of Transaction Related party transaction, amounts of transaction Investment Owned, Balance, Shares Shares owned Investment Owned, Percent of Net Assets Percentage of common stock shares outstanding This member stands for Low Carbon Royalties. Low Carbon Royalties [Member] Low carbon royalties Asset Acquisition [Axis] Asset Acquisition [Domain] n/a TOML Acquisition. Statistical Measurement [Axis] Statistical Measurement [Domain] Minimum Minimum Maximum Maximum Represents the percentage of amount contribution to gross royalty. Percentage Of Contribution To Gross Royalty Percentage of contribution to gross royalty Represents the percentage of repurchase of gross royalty. Percentage Of Repurchase Of Gross Royalty Percentage of repurchase of gross royalty Represents the percentage of reduction in NORI royalty. Percentage Of Reduction In NORI Royalty Percentage of reduction in NORI royalty Represents the percentage of owned carbon royalty. Percentage Of Owned Carbon Royalty Percentage of owned carbon royalty Represents the percentage of common stock shares received. Percentage Of Common Stock Shares Received Percentage of common stock shares received Royalty Expense Royalty expense Represents the percentage of gross royalty in first license block. Increase In Percentage Of Gross Royalty In First License Block Increase in percentage of gross royalty in first license block Represents the percentage of gross royalty in second license block. Increase In Percentage Of Gross Royalty In Second License Block Increase in percentage of gross royalty in second license block Represents the percentage of ownership in gross royalty. Decrease In Percentage Of Ownership In Gross Royalty Decrease in percentage of gross royalty Income (Loss) from Equity Method Investments Equity-accounted investment loss for the year Amount of Fair value of NORI Royalty. Fair Value Of NORI Royalty Fair value of NORI Royalty Amount of cash received. Cash Received Cash received Amount of cost of investment on transaction date. Cost Of Investment On Closing Date Cost of Investment on Closing Date Schedule of Equity Method Investments [Table] Equity Method Investment, Nonconsolidated Investee [Axis] Equity Method Investment, Nonconsolidated Investee [Domain] Schedule of Equity Method Investments [Line Items] The amount of royalty income earned by the entity. Royalty Income Royalty Income Revenues Total Revenue Comprehensive Income (Loss), Net of Tax, Attributable to Parent Comprehensive loss Comprehensive Loss for the period No definition available. Schedule Of Break Down Of Exploration Expenses [Table] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Represents information pertaining to NORI Exploration Contract. NORI Exploration Contract [Member] NORI Exploration Contract Represents information pertaining to Marawa Agreements. Marawa Option Agreement [Member] Marawa Option Agreement Represents information pertaining Tonga Offshore Mining Limited Exploration.. TOML Exploration Contract [Member] TOML Exploration Contract No definition available. Schedule Of Break Down Of Exploration Expenses [Line Items] Exploration and Evaluation Expenses The amount of expense related to environmental studies. Environmental Studies Environmental Studies Exploration labor. Exploration Labor Exploration Labor Amount related to common Share options-based payments. Common Shares Options Based Payments Share-Based Compensation (Note 11) Represents the expense related to mining, technological and process development. Mining, Technological And Process Development Mining, Technological and Process Development The amount of expense related to prefeasibility studies. Prefeasibility Studies Prefeasibility Studies Represents the expense related to sponsorship, training and stakeholder engagement. Sponsorship, Training And Stakeholder Engagement Sponsorship, Training and Stakeholder Engagement Represents the expense related to other exploration and evaluation expenses. Other Exploration and Evaluation Expenses. Other Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Sale of Stock [Axis] Sale of Stock [Domain] Represents the information pertaining to direct offering. Direct Offering [Member] Direct offering Direct offering Subsidiary, Sale of Stock [Line Items] Financing Activity The number of shares agreed to issue or sell by the subsidiary or equity method investee per stock transaction. Sale Of Stock, Number Of Shares Agreed To Sell And Issue Number of shares agreed to sell and issue Common stock of per shares (in Dollars per share) Share price Class of Warrant or Right, Exercise Price of Warrants or Rights Exercise price of warrants The amount of remaining committed funding to be received from investors. Remaining Committed Funding Remaining committed fund Class of Warrant or Right, Number of Securities Called by Warrants or Rights Number of warrants issued The cash inflow associated with the amount received from entity's Registered direct offering of stock, net of stock issuance costs. Proceeds from Issuance Registered Direct Offering, Net Of Stock Issuance Costs Net proceeds from Registered Direct Offering The member stands for public warrants. Public Warrants [Member] Public warrants Scenario [Axis] Scenario [Domain] This member stands for the scenario, where redemption of warrants when the price per share of class a common stock equals or exceeds $18.00. Redemption Of Warrants When Price Per Share Of Class Common Stock Equals Or Exceeds 18.00 Redemption of warrants when price per share of class common stock equals or exceeds 18.00 Represents the information pertaining to SOAC. SOAC SOAC IPO [Member] IPO Private Placement [Member] Private Warrants Represents the warrants to acquire shares of common stock in business combination. Business Combination, Warrants to Acquire Shares of Common Stock Warrants to acquire shares of common stock Class of Warrant or Right, Outstanding Number of warrants outstanding Warrants and Rights Outstanding Value of outstanding Public Warrants The issuance price of additional capital which would trigger an adjustment in the exercise price of the warrant. Warrant Exercise Price Adjustment Trigger Issue price per share The number of consecutive trading days within a specified range when the reported sale price must exceed the specified amount. Warrant Redemption Measurement Consecutive Trading Days Over Specified Amount Trading days for redemption of public warrants The number of trading days over which the reported sale price is measured when determining the redemption price. Warrant Redemption Measurement Period Consecutive trading days for redemption of public warrants Fair value of financial instrument classified as a liabilities measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring and Nonrecurring Basis, Liability Value Warrants liability as at March 31, 2024 Warrants liability as at December 31, 2023 Fair value of outstanding recorded as warrants liability Class of Warrant or Right, Number of Securities Called by Each Warrant or Right Number of shares issuable per warrant Amount of increase (decrease) of financial instrument classified as a liabilities measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring and Nonrecurring Basis, Liability, Gain (Loss) Increase in fair value of warrants liability Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Exercise Price Exercise price Share Price Share price Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Term (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Risk-free rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Dividend yield Represent the measurement input call price threshold. Measurement Input Call Price Threshold Call price threshold Stock Options (Details) [Table] Plan Name [Axis] Plan Name [Domain] This member stands for short term incentive plan. Short Term Incentive Plan [Member] Short-Term Incentive Plan Represents information pertaining to 2021 Incentive equity plan (the "Plan"). 2021 Incentive Equity Plan Derivative Instrument [Axis] Derivative Contract [Domain] Equity Option [Member] Equity option This member stands for longterm incentive plan. Long Term Incentive Plan [Member] Long-term Incentive Plan Grantee Status [Axis] Grantee Status [Domain] Non-employee directors Income Statement Location [Axis] Income Statement Location [Domain] General and administration expenses General and administration expenses This member stands for exploration and evaluation. Exploration and evaluation activities Exploration and evaluation activities Stock Options (Details) [Line Items] Share-Based Compensation Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Aggregate number of common shares reserved for issuance under the plan Additional Number of shares authorized for issuance under share-based payment arrangement. Additional Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Additional shares including to the plan 2022 Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Stock option number of shares outstanding (in shares) Common Shares issued and outstanding percentage. Common Share Issued And Outstanding Percentage Common Shares issued and outstanding percentage Share-based Payment Arrangement, Expense Share based compensation expense Amount of expense for award reversed under share-based payment arrangement. Share-Based Payment Arrangement, Expense Reversed Reversed expense Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Number of ending balance Number of beginning balance Number of stock options outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Forfeited Stock options forfeited Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Expired Vesting [Axis] Vesting [Domain] Vesting Immediately Sharebased Payment Arrangement Tranche Three Member Vesting fully on the first anniversary of the grant date Vesting fully on the anniversary of the grant date Sharebased Payment Arrangement Tranche Four Member Vesting in thirds on each anniversary of the grant date Vesting in thirds on each anniversary of the grant date Sharebased Payment Arrangement Tranche One Member Vesting in fourths on each anniversary of the grant date Sharebased Payment Arrangement Tranche Two Member Title of Individual [Axis] Title of Individual [Domain] Represents information pertaining to consultant. Consultant [Member] Consultant Represents the information pertaining to prepayment for services. As Prepayment for Services [Member] As prepayment for the services Represents the information pertaining to payment for the 2022 LTIP awards. As Payment for 2022 LTIP Awards [Member] As payment for the 2022 LTIP awards Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Granted Shares, Issued Shares issued Accrued Liabilities Amount to settle liabilities The weighted average fair value at grant date for nonvested equity-based awards issued during the period to settle liabilities on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period To Settle Liabilities Weighted Average Grant Date Fair Value Weighted average grant date fair value Consulting services Consulting services Professional and consulting fees Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Total unrecognized share-based compensation expense Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Outstanding - March 31, 2024 Outstanding - December 31, 2023 Aggregate vested units outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Aggregate vested units outstanding Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Number of RSUs Outstanding Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Forfeited The number of shares exercised made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercised In Period Exercised Represents Employee Share Purchase Plan Member. Employee Share Purchase Plan [Member] Outstanding shares under ESPP Employee Share Purchase Plan Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Other Issuance of common shares added to ESPP This refers to the percentage of common shares outstanding on last day of the immediately preceding fiscal year under Employee Share Purchase Plan. Percentage Of Common Stock Shares Outstanding Percentage of common stock shares outstanding Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Employee stock option Restricted Stock [Member] Outstanding RSUs Warrant [Member] Outstanding warrants Represents information pertaining to special shares and options to purchase special shares. Special Shares And Options To Purchase Special Shares [Member] Outstanding Special Shares and options to purchase Special Shares Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Loss per Share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Total anti-dilutive common equivalent shares Schedule for related party transactions. Schedule of Related Party Transactions [Table] SSCS Pte. Ltd [Member] SSCS Pte. Ltd Ocean Renaissance LLC Ocean Renaissance LLC This member stands for Gerard Barron. Gerard Barron [Member] Gerard Barron The amount represents the ERAS Capital LLC [Member] .. ERAS Capital LLC [Member] ERAS Capital LLC This member stands for Chief Ocean Scientist . Chief Ocean Scientist [Member] Chief Ocean Scientist Represents information pertaining to Exploration and Evaluation. Exploration and Evaluation Exploration and Evaluation Represents the information pertaining to DeepGreen Engineering Pte. Ltd. DeepGreen Engineering Pte. Ltd [Member] DeepGreen Engineering Pte. Ltd 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. Schedule of Related Party Transactions [Line Items] Related Party Transactions Other Liabilities Amounts payable Amount to be raised by the company either by issuance of debt or equity securities or through prepayments under an off-take agreement or similar commercial agreement, to trigger termination of line of credit facility. Line Of Credit Facility, Termination Trigger, Amount To Be Raised Aggregate Subsidiaries Proceeds from Lines of Credit Credit facility Schedule of Segment Reporting Information, by Segment [Table] Segment Reporting Information [Line Items] Segmented Information Number of Operating Segments Number of operating segment