Fair value of financial instruments (Tables)

12 Months Ended

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