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Fair value of financial instruments (Tables) | 12 Months Ended
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Dec. 31, 2023
Fair value of financial instruments |
Summary of information about financial assets and liabilities measured at fair value | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2023
​ |  | Level 1 |  | Level 2 |  | Level 3 | ​ | Total
​ |  | $ | ​ | $ | ​ | $ | ​ | $
Recurring measurements | ​ |  |  |  |  |  |  |
Financial assets at fair value through profit or loss | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Convertible loan receivable | ​ | — |  | — |  | — |  | —
Warrants on equity securities | ​ |  |  |  |  |  |  |
Publicly traded mining exploration and development companies | ​ |  |  |  |  |  |  |
Precious metals | ​ | — |  | — |  | 4 |  | 4
Other minerals | ​ | — |  | — |  | — |  | —
Financial assets at fair value through other comprehensive loss | ​ |  |  |  |  |  |  |
Equity securities | ​ |  |  |  |  |  |  |
Publicly traded mining exploration and development companies | ​ |  |  |  |  |  |  |
Precious metals | ​ | 5,739 |  | — |  | — |  | 5,739
Other minerals | ​ | 13,650 |  | — |  | — |  | 13,650
​ | ​ | 19,389 |  | — |  | 4 |  | 19,393
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | December 31, 2022
​ | ​ | Level 1 | ​ | Level 2 | ​ | Level 3 | ​ | Total
​ |  | $ |  | $ |  | $ |  | $
Recurring measurements | ​ |  | ​ |  | ​ |  | ​ |
Financial assets at fair value through profit or loss | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Convertible loan receivable | ​ | — |  | — |  | — |  | —
Warrants on equity securities | ​ |  |  |  |  |  |  |
Publicly traded mining exploration and development companies | ​ |  |  |  |  |  |  |
Precious metals | ​ | — |  | — |  | 18 |  | 18
Other minerals | ​ | — |  | — |  | — |  | —
Financial assets at fair value through other comprehensive loss | ​ |  |  |  |  |  |  |
Equity securities | ​ |  |  |  |  |  |  |
Publicly traded mining exploration and development companies | ​ |  |  |  |  |  |  |
Precious metals | ​ | 9,537 |  | — |  | — |  | 9,537
Other minerals | ​ | 24,264 |  | — |  | — |  | 24,264
​ | ​ | 33,801 |  | — |  | 18 |  | 33,819
​
Schedule of the changes in the Level 3 investments | ​
​ | ​ | ​ | ​ | ​
​ |  | 2023 |  | 2022
​ | ​ | $ | ​ | $
Balance – Beginning of year | ​ | 18 |  | 6,952
Acquisitions | ​ | — |  | 4,438
Warrants exercised | ​ | — |  | (117)
Acquisition of Tintic | ​ | — |  | (10,827)
Change in fair value – warrants exercised (i) | ​ | (14) |  | 49
Change in fair value – expired (i) | ​ | — |  | (287)
Change in fair value – held at the end of the year (i) | ​ | — |  | (241)
Foreign exchange | ​ | — |  | 51
Balance – End of year | ​ | 4 |  | 18
(i)Recognized in the consolidated statements of loss under other income, net.

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- Definition The disclosure of detailed information about financial instruments. [Refer: Financial instruments, class [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 31 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_31&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_7&doctype=Standard -URIDate 2023-03-23 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2023-01-01 -Paragraph 35K -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_35K&doctype=Standard -URIDate 2023-03-23 + Details
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