0000001 - Document - Cover link:presentationLink link:calculationLink link:definitionLink 9952151 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS link:presentationLink link:calculationLink link:definitionLink 9952152 - Statement - CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) link:presentationLink link:calculationLink link:definitionLink 9952153 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:presentationLink link:calculationLink link:definitionLink 9952154 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:presentationLink link:calculationLink link:definitionLink 9952155 - Statement - UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY (DEFICIT) link:presentationLink link:calculationLink link:definitionLink 9952156 - Disclosure - Company Overview link:presentationLink link:calculationLink link:definitionLink 9952157 - Disclosure - Summary of significant accounting policies link:presentationLink link:calculationLink link:definitionLink 9952158 - Disclosure - Prepaids and deposits link:presentationLink link:calculationLink link:definitionLink 9952159 - Disclosure - Equity investment securities link:presentationLink link:calculationLink link:definitionLink 9952160 - Disclosure - Property, plant, and equipment and assets held-for-sale, net link:presentationLink link:calculationLink link:definitionLink 9952161 - Disclosure - Restricted cash link:presentationLink link:calculationLink link:definitionLink 9952162 - Disclosure - Accounts payable, accrued expenses, and other liabilities link:presentationLink link:calculationLink link:definitionLink 9952163 - Disclosure - Contract liabilities link:presentationLink link:calculationLink link:definitionLink 9952164 - Disclosure - Asset retirement obligation link:presentationLink link:calculationLink link:definitionLink 9952165 - Disclosure - Stockholders' equity link:presentationLink link:calculationLink link:definitionLink 9952166 - Disclosure - Stock-based compensation link:presentationLink link:calculationLink link:definitionLink 9952167 - Disclosure - Fair value measurements link:presentationLink link:calculationLink link:definitionLink 9952168 - Disclosure - Income taxes link:presentationLink link:calculationLink link:definitionLink 9952169 - Disclosure - Loss per share link:presentationLink link:calculationLink link:definitionLink 9952170 - Disclosure - Segment information link:presentationLink link:calculationLink link:definitionLink 9952171 - Disclosure - Supplemental cash flow information link:presentationLink link:calculationLink link:definitionLink 9952172 - Disclosure - Commitments and contingencies link:presentationLink link:calculationLink link:definitionLink 9955511 - Disclosure - Summary of significant accounting policies (Policies) link:presentationLink link:calculationLink link:definitionLink 9955512 - Disclosure - Prepaids and deposits (Tables) link:presentationLink link:calculationLink link:definitionLink 9955513 - Disclosure - Equity investment securities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955514 - Disclosure - Property, plant, and equipment and assets held-for-sale, net (Tables) link:presentationLink link:calculationLink link:definitionLink 9955515 - Disclosure - Restricted cash (Tables) link:presentationLink link:calculationLink link:definitionLink 9955516 - Disclosure - Accounts payable, accrued expenses, and other liabilities (Tables) link:presentationLink link:calculationLink link:definitionLink 9955517 - Disclosure - Asset retirement obligation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955518 - Disclosure - Stockholders' equity (Tables) link:presentationLink link:calculationLink link:definitionLink 9955519 - Disclosure - Stock-based compensation (Tables) link:presentationLink link:calculationLink link:definitionLink 9955520 - Disclosure - Fair value measurements (Tables) link:presentationLink link:calculationLink link:definitionLink 9955521 - Disclosure - Loss per share (Tables) link:presentationLink link:calculationLink link:definitionLink 9955522 - Disclosure - Segment information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955523 - Disclosure - Supplemental cash flow information (Tables) link:presentationLink link:calculationLink link:definitionLink 9955524 - Disclosure - Prepaids and deposits (Details) link:presentationLink link:calculationLink link:definitionLink 9955525 - Disclosure - Equity investment securities - Schedule of Securities (Details) link:presentationLink link:calculationLink link:definitionLink 9955526 - Disclosure - Equity investment securities - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955527 - Disclosure - Property, plant, and equipment and assets held-for-sale, net - Schedule of Components of Plant and Equipment, Net (Details) link:presentationLink link:calculationLink link:definitionLink 9955528 - Disclosure - Property, plant, and equipment and assets held-for-sale, net - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955529 - Disclosure - Restricted cash - Schedule of Components of Restricted Cash (Details) link:presentationLink link:calculationLink link:definitionLink 9955530 - Disclosure - Restricted cash - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955531 - Disclosure - Accounts payable, accrued expenses, and other liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955532 - Disclosure - Contract liabilities (Details) link:presentationLink link:calculationLink link:definitionLink 9955533 - Disclosure - Asset retirement obligation - Schedule of Changes in ARO (Details) link:presentationLink link:calculationLink link:definitionLink 9955534 - Disclosure - Asset retirement obligation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955535 - Disclosure - Stockholders' equity - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955536 - Disclosure - Stockholders' equity - Schedule of Outstanding Warrants (Details) link:presentationLink link:calculationLink link:definitionLink 9955537 - Disclosure - Stock-based compensation - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955538 - Disclosure - Stock-based compensation - Schedule of Restricted Stock Unit Activity (Details) link:presentationLink link:calculationLink link:definitionLink 9955539 - Disclosure - Fair value measurements (Details) link:presentationLink link:calculationLink link:definitionLink 9955540 - Disclosure - Income taxes (Details) link:presentationLink link:calculationLink link:definitionLink 9955541 - Disclosure - Loss per share - Schedule of Basic and Diluted Loss Per Share (Details) link:presentationLink link:calculationLink link:definitionLink 9955542 - Disclosure - Loss per share - Schedule of Antidilutive Securities Excluded from Computation (Details) link:presentationLink link:calculationLink link:definitionLink 9955543 - Disclosure - Segment information - Narrative (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Segment information - Schedule of Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955544 - Disclosure - Segment information - Schedule of Segment Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955545 - Disclosure - Supplemental cash flow information - Schedule of Non-Cash Investing And Financing Activities (Details) link:presentationLink link:calculationLink link:definitionLink 9955546 - Disclosure - Supplemental cash flow information - Schedule of Supplemental Cash Flow Information (Details) link:presentationLink link:calculationLink link:definitionLink 9955547 - Disclosure - Commitments and contingencies (Details) link:presentationLink link:calculationLink link:definitionLink