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Note 9 - Exploration and Evaluation Assets (Details Textual) - CAD ($) $ / shares in Units, $ in Thousands |  |  |  |  |  |  |  |  |  |  | 7 Months Ended | 12 Months Ended | 19 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Jan. 18, 2024 | Jan. 02, 2024 | Jan. 01, 2024 | Jul. 13, 2023 | Jul. 01, 2023 | Jan. 01, 2023 | Dec. 05, 2022 | Dec. 01, 2022 | Jul. 04, 2022 | Jun. 13, 2022 | Dec. 31, 2023 | Nov. 30, 2023 | Jun. 01, 2023 | Nov. 30, 2022 | Nov. 30, 2021 | Dec. 31, 2023
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Recovery on receipt of mineral property option |  |  |  |  |  |  |  |  |  |  |  | $ 2,696 |  | $ 1,379 |  |
Weighted average share price (in CAD per share) |  |  |  |  |  |  |  |  |  |  |  | $ 1.22 |  | $ 2.25 |  |
Increase (decrease) through equity investments designated at fair value through other comprehensive income |  |  |  |  |  |  |  |  |  |  |  | $ 4,599 |  | $ 8,689 |  |
Impairment of exploration and evaluation assets |  |  |  |  |  |  |  |  |  |  |  | $ 1,809 |  | $ 0 |  |
Brokered private placement [member] | NevGold [member] | Potential ordinary share transactions [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of equity, purchase price |  |  |  |  |  |  |  | $ 1,250 |  |  |  |  |  |  |  |
Brokered private placement [member] | NevGold [member] | Top of range [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of equity, purchase price |  |  |  |  |  |  |  |  | $ 1,250 |  |  |  |  |  |  |
Purchase of equity, percentage of gross proceeds |  |  |  |  |  |  |  |  | 40.00% |  |  |  |  |  |  |
NevGold Corp [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in equity investment designated at fair value through other comprehensive income, number of shares (in shares) |  |  |  |  |  |  |  |  |  | 1,481,481 |  |  |  | 16,670,250 | 5,925,925 |
Weighted average share price (in CAD per share) |  |  |  |  |  |  |  |  |  | $ 0.675 |  |  |  |  |  |
Increase (decrease) through equity investments designated at fair value through other comprehensive income |  |  |  |  |  |  |  |  |  | $ 1,000 |  |  |  | $ 3,489 |  |
Purchase of equity, purchase price |  |  |  |  |  |  |  | $ 1,250 |  |  |  |  |  |  |  |
Purchase of equity, number of shares received (in shares) |  |  |  | 4,109,589 |  | 3,658,536 | 2,976,200 |  |  |  |  | 10,744,325 |  |  |  |
Purchase of equity, shares received amount |  |  |  | $ 1,562 |  | $ 1,134 |  |  |  |  |  |  |  |  |  |
NevGold Corp [member] | Potential ordinary share transactions [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average share price (in CAD per share) | $ 0.3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Purchase of equity, number of shares received (in shares) | 10,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Almaden gold project [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proportion of ownership interest in project |  |  |  |  |  |  |  |  |  | 100.00% |  |  |  |  |  |
Almaden gold project [member] | NevGold Corp [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of common shares receipt (in shares) |  |  |  |  |  |  |  |  |  | 4,444,444 |  |  |  |  |  |
Common shares receipt, fair value |  |  |  |  |  |  |  |  | $ 2,489 |  |  |  |  |  |  |
Share price (in CAD per share) |  |  |  |  |  |  |  |  |  | $ 0.56 |  |  |  |  |  |
Mineral property option, carry amount |  |  |  |  |  |  |  |  |  |  |  | $ 1,110 |  |  |  |
Recovery on receipt of mineral property option |  |  |  |  |  |  |  |  |  | $ 1,379 |  | 2,696 |  |  |  |
Option Agreement, additional payments |  | $ 6,000 | $ 3,000 |  | $ 1,500 | $ 1,500 |  |  |  |  |  |  |  |  |  |
Aggregating of project qualifying expenditure |  |  |  |  |  |  |  |  |  |  | $ 750 |  | $ 1,500 |  |  | $ 2,250
Maximum success-based Contingent Payments requirement |  |  |  |  |  |  |  |  |  | 7,500 |  |  |  |  |  |
Contingent payments requirement, completion of a positive Preliminary Economic Assessment |  |  |  |  |  |  |  |  |  | 500 |  |  |  |  |  |
Contingent payments requirement, completion of a positive Preliminary Feasibility Study |  |  |  |  |  |  |  |  |  | 2,500 |  |  |  |  |  |
Contingent payments requirement, completion of a positive Feasibility Study |  |  |  |  |  |  |  |  |  | $ 4,500 |  |  |  |  |  |
Surubim gold project [member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Statement Line Items [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Impairment of exploration and evaluation assets |  |  |  |  |  |  |  |  |  |  |  | $ 1,809 |  |  |  |

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