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Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - Consolidated Balance Sheets (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - Consolidated Statements of Changes in Equity link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Equipment link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - Common Shares link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 20302 - Disclosure - Significant Accounting Policies (Policies) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Equipment (Tables) link:presentationLink link:calculationLink link:definitionLink 31303 - Disclosure - Warrants (Tables) link:presentationLink link:calculationLink link:definitionLink 31403 - Disclosure - Common Shares (Tables) link:presentationLink link:calculationLink link:definitionLink 31503 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 32003 - Disclosure - Segmented Information (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Nature of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 40202 - Disclosure - Basis of Presentation - Non controlling interest (Details) link:presentationLink link:calculationLink link:definitionLink 40301 - Disclosure - Significant Accounting Policies (Details) link:presentationLink link:calculationLink link:definitionLink 40302 - Disclosure - Significant Accounting Policies - Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Receivables and Prepayments (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Equipment (Details) link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Strategic Partnerships - Pilot Mining Test Project (Details) link:presentationLink link:calculationLink link:definitionLink 40802 - Disclosure - Strategic Partnerships - Development of Project Zero Offshore Nodule Collection System (Details) link:presentationLink link:calculationLink link:definitionLink 40804 - Disclosure - Strategic Alliance with Allseas and Affiliates - Lease liability and right-of-use asset (Details) link:presentationLink link:calculationLink link:definitionLink 40805 - Disclosure - Strategic Partnerships - Credit Facility with Allseas Affiliate (Details) link:presentationLink link:calculationLink link:definitionLink 40806 - Disclosure - Strategic Partnerships - Other Activity (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Investment in Low Carbon Royalties (Details) link:presentationLink link:calculationLink link:definitionLink 40903 - Disclosure - Investment in Low Carbon Royalties - Financial Results Of Low Carbon Royalties (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Exploration Contracts (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Exploration Contracts - Reconciliation of the Company's explorations contracts (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - General and Administrative Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Financing Activity - Registered direct offering (Details) link:presentationLink link:calculationLink link:definitionLink 41202 - Disclosure - Financing Activity - PIPE Financing (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 41302 - Disclosure - Warrants - Fair value of warrant liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 41303 - Disclosure - Warrants - Fair value measurements assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 41304 - Disclosure - Warrants - Class A Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 41305 - Disclosure - Warrants - Fair value measurements assumptions of the Class A Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 41401 - Disclosure - Common Shares - Schedule of authorized, issued and outstanding common shares and special shares (Details) link:presentationLink link:calculationLink link:definitionLink 41402 - Disclosure - Common Shares (Details) link:presentationLink link:calculationLink link:definitionLink 41403 - Disclosure - Common Shares -Special Shares Class (Details) link:presentationLink link:calculationLink link:definitionLink 41404 - Disclosure - Common Shares - Schedule of common shares (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - Share-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 41502 - Disclosure - Share-based compensation (Details) - Schedule of the Company's stock options in the Company's STIP link:presentationLink link:calculationLink link:definitionLink 41503 - Disclosure - Share-Based Compensation - Schedule of company's stock options granted and outstanding under the STIP (Details) link:presentationLink link:calculationLink link:definitionLink 41504 - Disclosure - Share-Based Compensation - Restricted Stock Units (Details) link:presentationLink link:calculationLink link:definitionLink 41505 - Disclosure - Share-Based Compensation - Summary of the RSU activity (Details) link:presentationLink link:calculationLink link:definitionLink 41506 - Disclosure - Share-Based Compensation - Employee Share Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 41601 - Disclosure - Loss per Share - Anti-dilutive common equivalent shares (Details) link:presentationLink link:calculationLink link:definitionLink 41801 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 41901 - Disclosure - Commitments and Contingent Liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 42001 - Disclosure - Segmented Information - Schedule of equipment (Details) link:presentationLink link:calculationLink link:definitionLink 42106 - Disclosure - Income Taxes - Non-capital loss (Details) link:presentationLink link:calculationLink link:definitionLink 42201 - Disclosure - Quarterly Financial Data (Unaudited) Restatement of Previously Issued Financial Statements (Details) link:presentationLink link:calculationLink link:definitionLink 42202 - Disclosure - Quarterly Financial Data (Unaudited) Restatement of Previously Issued Financial Statements - Condensed Consolidated Balance Sheet Information (Details) link:presentationLink link:calculationLink link:definitionLink 42204 - Disclosure - Quarterly Financial Data (Unaudited) Restatement of Previously Issued Financial Statements - Condensed Consolidated Statements of Loss and Comprehensive Loss (Details) link:presentationLink link:calculationLink link:definitionLink 42205 - Disclosure - Quarterly Financial Data (Unaudited) Restatement of Previously Issued Financial Statements - Condensed Consolidated Statements of Cash Flows (Details) link:presentationLink link:calculationLink link:definitionLink 42302 - Disclosure - Subsequent Events (Details) link:presentationLink link:calculationLink link:definitionLink 10101 - Disclosure - Nature of Operations link:presentationLink link:calculationLink link:definitionLink 10201 - Disclosure - Basis of Presentation link:presentationLink link:calculationLink link:definitionLink 10301 - Disclosure - Significant Accounting Policies link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Significant Accounting Estimates and Judgements link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Recent Accounting Pronouncements Issued and Adopted link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Receivables and Prepayments link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Strategic Alliance with Allseas and Affiliates link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Investment in Low Carbon Royalties link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Exploration Contracts link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - General and Administrative Expenses link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Financing activity link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Warrants link:presentationLink link:calculationLink link:definitionLink 11601 - Disclosure - Loss per Share link:presentationLink link:calculationLink link:definitionLink 11701 - Disclosure - Financial Instruments link:presentationLink link:calculationLink link:definitionLink 11801 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 11901 - Disclosure - Commitments and Contingent Liabilities link:presentationLink link:calculationLink link:definitionLink 12001 - Disclosure - Segmented Information link:presentationLink link:calculationLink link:definitionLink 12101 - Disclosure - Income Taxes link:presentationLink link:calculationLink link:definitionLink 12201 - Disclosure - Quarterly Financial Data (Unaudited) Restatement of Previously Issued Financial Statements link:presentationLink link:calculationLink link:definitionLink 12301 - Disclosure - Subsequent Events link:presentationLink link:calculationLink link:definitionLink 30203 - Disclosure - Basis of Presentation (Tables) link:presentationLink link:calculationLink link:definitionLink 30303 - Disclosure - Significant Accounting Policies (Tables) link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Receivables and Prepayments (Tables) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - Strategic Alliance with Allseas and Affiliates (Table) link:presentationLink link:calculationLink link:definitionLink 30903 - Disclosure - Investment in Low Carbon Royalties (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Exploration Contracts (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - General and Administrative Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 31603 - Disclosure - Loss per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 31703 - Disclosure - Financial Instruments (Tables) link:presentationLink link:calculationLink link:definitionLink 32103 - Disclosure - Income Taxes (Tables) link:presentationLink link:calculationLink link:definitionLink 32203 - Disclosure - Quarterly Financial Data (Unaudited) Restatement of Previously Issued Financial Statements (Tables) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - Significant Accounting Estimates and Judgements (Details) link:presentationLink link:calculationLink link:definitionLink 40803 - Disclosure - Strategic Alliance with Allseas and Affiliates - Exclusive Vessel Use Agreement with Allseas (Details) link:presentationLink link:calculationLink link:definitionLink 40902 - Disclosure - Investment in Low Carbon Royalties (Details) - Company's share of the net loss generated by the Low Carbon Royalties link:presentationLink link:calculationLink link:definitionLink 42101 - Disclosure - Income Taxes - Reconciliation of Effective Tax Rate (Details) link:presentationLink link:calculationLink link:definitionLink 42103 - Disclosure - Income Taxes - Additional information (Details) link:presentationLink link:calculationLink link:definitionLink 42105 - Disclosure - Income Taxes - Unused tax losses and unused tax credits (Details) link:presentationLink link:calculationLink link:definitionLink 42203 - Disclosure - Quarterly Financial Data (Unaudited) Restatement of Previously Issued Financial Statements - Condensed Consolidated Balance Sheet Information (Parentheticals) (Details) link:presentationLink link:calculationLink link:definitionLink 99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink