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Note 4 - Notes Receivable (Details Textual) $ in Thousands, $ in Thousands |  |  |  |  |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 11, 2024 CAD ($) | Jul. 27, 2023 USD ($) | Nov. 03, 2021 CAD ($) | Jul. 27, 2021 USD ($) | Jul. 27, 2018 USD ($) | Dec. 31, 2022 CAD ($) | Nov. 30, 2023 USD ($) | Nov. 30, 2022 USD ($) | Nov. 30, 2021 USD ($) | Nov. 30, 2020 USD ($)
Financing Receivable, after Allowance for Credit Loss |  |  |  |  |  |  | $ 0 | $ 24,421 | $ 23,572 | $ 96,016
Proceeds from Collection of Notes Receivable |  |  |  |  |  |  | 25,000 | $ 0 | $ 75,000 |
Note Receivable Upon Completion of Galore Creek Project Pre-feasibility [Member] |  |  |  |  |  |  |  |  |  |
Financing Receivable, after Allowance for Credit Loss |  |  |  |  | $ 75,000 |  | 75,000 |  |  |
Proceeds from Collection of Notes Receivable |  | $ 25,000 |  | $ 75,000 |  |  |  |  |  |
Note Receivable Upon Completion of Galore Creek Project Feasibility [Member] |  |  |  |  |  |  |  |  |  |
Financing Receivable, after Allowance for Credit Loss |  |  | $ 1,000 |  | 25,000 |  |  |  |  |
Note Receivable Upon Approval of Galore Creek Project Construction Plan [Member] |  |  |  |  |  |  |  |  |  |
Financing Receivable, after Allowance for Credit Loss |  |  |  |  | 75,000 |  |  |  |  |
Note Receivable upon Completion of Minas San Roque Project Prefeasibility [Member] |  |  |  |  |  |  |  |  |  |
Financing Receivable, after Allowance for Credit Loss |  |  | 750 |  |  |  |  |  |  |
Note Receivable upon Completion of Minas San Roque Project Feasibility [Member] |  |  |  |  |  |  |  |  |  |
Financing Receivable, after Allowance for Credit Loss |  |  |  |  |  |  | $ 0 |  |  |
Proceeds from Collection of Notes Receivable |  |  |  |  |  | $ 750 |  |  |  |
Note Receivable upon Completion of Minas San Roque Project Feasibility [Member] | Subsequent Event [Member] |  |  |  |  |  |  |  |  |  |
Proceeds from Collection of Notes Receivable | $ 1,000 |  |  |  |  |  |  |  |  |
Galore Creek [Member] |  |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates |  |  |  |  | $ 100,000 |  |  |  |  |
Minas San Roque [Member] |  |  |  |  |  |  |  |  |  |
Proceeds from Divestiture of Interest in Subsidiaries and Affiliates |  |  | $ 250 |  |  |  |  |  |  |
Interest Sold |  |  | 49.00% |  |  |  |  |  |  |

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- Definition Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 946 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.6-04(5)(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479617/946-210-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 310 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481990/310-10-45-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
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