v3.26.1
Fair value of financial instruments (Tables)
12 Months Ended
Dec. 31, 2025
Fair value of financial instruments  
Summary of information about financial assets and liabilities measured at fair value

2025

  ​ ​ ​

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

Total

  ​ ​ ​

$

$

$

$

Recurring measurements

  ​

 

  ​

 

  ​

 

  ​

Financial assets at fair value through profit or loss

  ​

 

  ​

 

  ​

 

  ​

Warrants on equity securities

  ​

 

  ​

 

  ​

 

  ​

Publicly traded mining exploration and development companies

  ​

 

  ​

 

  ​

 

  ​

Precious metals

 

 

1,460

 

1,460

Financial assets at fair value through other comprehensive loss

  ​

 

  ​

 

  ​

 

  ​

Equity securities

  ​

 

  ​

 

  ​

 

  ​

Publicly traded mining exploration and development companies

  ​

 

  ​

 

  ​

 

  ​

Precious metals

2,426

 

 

 

2,426

Other minerals

11,610

 

 

 

11,610

14,036

 

 

1,460

 

15,496

2024

  ​ ​ ​

Level 1

  ​ ​ ​

Level 2

  ​ ​ ​

Level 3

Total

  ​ ​ ​

$

$

$

$

Recurring measurements

  ​

 

  ​

 

  ​

 

  ​

Financial assets at fair value through profit or loss

  ​

 

  ​

 

  ​

 

  ​

Warrants on equity securities

  ​

 

  ​

 

  ​

 

  ​

Publicly traded mining exploration and development companies

  ​

 

  ​

 

  ​

 

  ​

Precious metals

 

 

370

 

370

Financial assets at fair value through other comprehensive loss

  ​

 

  ​

 

  ​

 

  ​

Equity securities

  ​

 

  ​

 

  ​

 

  ​

Publicly traded mining exploration and development companies

  ​

 

  ​

 

  ​

 

  ​

Precious metals

2,706

 

 

 

2,706

Other minerals

7,257

 

 

 

7,257

9,963

 

 

370

 

10,333

Schedule of the changes in the Level 3 investments

  ​ ​ ​

2025

  ​ ​ ​

2024

$

$

Balance – Beginning of period

370

 

4

Acquisitions

917

 

298

Change in fair value (i)

173

 

68

Balance – End of period

1,460

 

370

(i)Recognized in the consolidated statements of loss under Other (expense) income, net.