00100 - Statement - Condensed Consolidated Balance Sheets link:presentationLink link:calculationLink link:definitionLink 00200 - Statement - Condensed Consolidated Statements of Loss and Comprehensive Loss link:presentationLink link:calculationLink link:definitionLink 00400 - Statement - Condensed Consolidated Statements of Cash Flows link:presentationLink link:calculationLink link:definitionLink 40801 - Disclosure - Exploration and Evaluation Expenses (Details) link:presentationLink link:calculationLink link:definitionLink 00090 - Document - Document And Entity Information link:presentationLink link:calculationLink link:definitionLink 00105 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 00300 - Statement - Condensed Consolidated Statements of Changes in Equity link:presentationLink link:calculationLink link:definitionLink 11101 - Disclosure - Share-Based Compensation link:presentationLink link:calculationLink link:definitionLink 20202 - Disclosure - Basis of Presentation (Policies) link:presentationLink link:calculationLink link:definitionLink 30803 - Disclosure - Exploration and Evaluation Expenses (Tables) link:presentationLink link:calculationLink link:definitionLink 31003 - Disclosure - Warrants (Tables) link:presentationLink link:calculationLink link:definitionLink 31103 - Disclosure - Share-Based Compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 40101 - Disclosure - Nature of Operations (Details) link:presentationLink link:calculationLink link:definitionLink 40601 - Disclosure - Strategic Alliance with Allseas and Affiliates - Development of Project Zero Offshore Nodule Collection System (Details) link:presentationLink link:calculationLink link:definitionLink 40604 - Disclosure - Strategic Alliance with Allseas and Affiliates - Credit Facility with Allseas Affiliate (Details) link:presentationLink link:calculationLink link:definitionLink 40701 - Disclosure - Investment in Low Carbon Royalties (Details) link:presentationLink link:calculationLink link:definitionLink 40703 - Disclosure - Investment in Low Carbon Royalties - Financial Results Of Low Carbon Royalties (Details) link:presentationLink link:calculationLink link:definitionLink 40901 - Disclosure - Registered Direct Offering - Registered direct offering (Details) link:presentationLink link:calculationLink link:definitionLink 41001 - Disclosure - Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 41002 - Disclosure - Warrants - Fair value of warrant liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 41003 - Disclosure - Warrants - Fair value measurements assumptions (Details) link:presentationLink link:calculationLink link:definitionLink 41004 - Disclosure - Warrants - Class A Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 41005 - Disclosure - Warrants - Fair value measurements assumptions of the Class A Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 41101 - Disclosure - Share-Based Compensation (Details) link:presentationLink link:calculationLink link:definitionLink 41102 - Disclosure - Share-Based Compensation - Summarizing the movements in stock options (Details) link:presentationLink link:calculationLink link:definitionLink 41103 - Disclosure - Share-Based Compensation - Restricted Stock Units (Details) link:presentationLink link:calculationLink link:definitionLink 41104 - Disclosure - Share-Based Compensation - Summary of the RSU activity (Details) link:presentationLink link:calculationLink link:definitionLink 41105 - Disclosure - Share-Based Compensation - Employee Share Purchase Plan (Details) link:presentationLink link:calculationLink link:definitionLink 41201 - Disclosure - Loss per Share - Anti-dilutive common equivalent shares (Details) link:presentationLink link:calculationLink link:definitionLink 41301 - Disclosure - Related Party Transactions (Details) link:presentationLink link:calculationLink link:definitionLink 41501 - Disclosure - Segmented Information (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 - Use of Estimates link:presentationLink link:calculationLink link:definitionLink 10401 - Disclosure - Fair Value of Financial Instruments link:presentationLink link:calculationLink link:definitionLink 10501 - Disclosure - Recent Accounting Pronouncements Issued and Adopted link:presentationLink link:calculationLink link:definitionLink 10601 - Disclosure - Strategic Alliance with Allseas and Affiliates link:presentationLink link:calculationLink link:definitionLink 10701 - Disclosure - Investment in Low Carbon Royalties link:presentationLink link:calculationLink link:definitionLink 10801 - Disclosure - Exploration and Evaluation Expenses link:presentationLink link:calculationLink link:definitionLink 10901 - Disclosure - Registered Direct Offering link:presentationLink link:calculationLink link:definitionLink 11001 - Disclosure - Warrants link:presentationLink link:calculationLink link:definitionLink 11201 - Disclosure - Loss per Share link:presentationLink link:calculationLink link:definitionLink 11301 - Disclosure - Related Party Transactions link:presentationLink link:calculationLink link:definitionLink 11401 - Disclosure - Contingent Liabilities link:presentationLink link:calculationLink link:definitionLink 11501 - Disclosure - Segmented Information link:presentationLink link:calculationLink link:definitionLink 30603 - Disclosure - Strategic Alliance with Allseas and Affiliates (Table) link:presentationLink link:calculationLink link:definitionLink 30703 - Disclosure - Investment in Low Carbon Royalties (Tables) link:presentationLink link:calculationLink link:definitionLink 31203 - Disclosure - Loss per Share (Tables) link:presentationLink link:calculationLink link:definitionLink 40401 - Disclosure - Fair Value of Financial Instruments (Details) link:presentationLink link:calculationLink link:definitionLink 40602 - Disclosure - Strategic Alliance with Allseas and Affiliates - Exclusive Vessel Use Agreement with Allseas (Details) link:presentationLink link:calculationLink link:definitionLink 40603 - Disclosure - Strategic Alliance with Allseas and Affiliates - Net Amount Of The Right-Of-Use Asset (Details) link:presentationLink link:calculationLink link:definitionLink 40702 - Disclosure - Investment in Low Carbon Royalties - Company's share of the net loss generated by the Low Carbon Royalties (Details) link:presentationLink link:calculationLink link:definitionLink 99900 - Disclosure - Standard And Custom Axis Domain Defaults link:presentationLink link:calculationLink link:definitionLink