v3.25.2

Fair value of financial instruments (Tables) | 12 Months Ended
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Dec. 31, 2025
Disclosure of fair value measurement of assets [Abstract] |
Disclosure of significant observable inputs used in fair value measurement [Table Text Block] |
|  |  |  |  |  |  |  | December 31, 2025 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | $ |  |  | $ |  |  | $ |  |  | $ |
Recurring measurements |  |  |  |  |  |  |  |  |  |  |  |
Financial assets at fair value through profit or loss (i) |  |  |  |  |  |  |  |  |  |
Warrants on equity securities and convertible notes |  |  |  |  |  |  |  |  |  |  |  |
Publicly traded mining companies |  |  |  |  |  |  |  |  |  |  |  |
Precious metals |  | - |  |  | - |  |  | 12,275 |  |  | 12,275 |
Financial assets at fair value through other comprehensive income (i) |  |  |  |  |  |  |  |  |  |  |  |
Equity securities |  |  |  |  |  |  |  |  |  |  |  |
Publicly traded royalty and streaming companies |  | 22,145 |  |  | - |  |  | - |  |  | 22,145 |
Publicly traded mining companies |  |  |  |  |  |  |  |  |  |  |  |
Precious metals |  | 118,354 |  |  | - |  |  | - |  |  | 118,354 |
Other minerals (ii) |  | 21,753 |  |  | - |  |  | - |  |  | 21,753 |
Private mining companies |  | - |  |  | - |  |  | 591 |  |  | 591 |
|  | 162,252 |  |  | - |  |  | 12,866 |  |  | 175,118 |
|  |  |  |  |  |  |  | December 31, 2024 |
|  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
|  | $ |  |  | $ |  |  | $ |  |  | $ |
Recurring measurements |  |  |  |  |  |  |  |  |  |  |  |
Financial assets at fair value through profit or loss (i) |  |  |  |  |  |  |  |  |  |
Warrants on equity securities and convertible debentures and notes |  |  |  |  |  |  |  |  |  |  |  |
Publicly traded mining companies |  |  |  |  |  |  |  |  |  |  |  |
Precious metals |  | - |  |  | - |  |  | 6,534 |  |  | 6,534 |
Other minerals |  | 11 |  |  | - |  |  | 3 |  |  | 14 |
Financial assets at fair value through other comprehensive (loss) income (i) |  |  |  |  |  |  |  |  |  |  |  |
Equity securities |  |  |  |  |  |  |  |  |  |  |  |
Publicly traded mining companies |  |  |  |  |  |  |  |  |  |  |  |
Precious metals |  | 1,822 |  |  | - |  |  | - |  |  | 1,822 |
Other minerals (ii) |  | 53,353 |  |  | - |  |  | - |  |  | 53,353 |
Private mining companies |  | - |  |  | - |  |  | 138 |  |  | 138 |
|  | 55,186 |  |  | - |  |  | 6,675 |  |  | 61,861 |
Disclosure of detailed information about changes in fair value of level 3 investments [Table Text Block] |
|  | 2025 |  |  | 2024 |
|  | $ |  |  | $ |
Balance - January 1 |  | 6,675 |  |  | 6,883 |
Acquisitions |  | 440 |  |  | - |
Change in fair value - warrants expired (i) |  | (393 | ) |  | 4 |
Change in fair value - investments held at the end of the period (i) |  | 5,805 |  |  | 339 |
Foreign exchange revaluation impact |  | 339 |  |  | (551 | )
Balance - December 31 |  | 12,866 |  |  | 6,675 |

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