Gold prepayment liability (Tables)

12 Months Ended

Dec. 31, 2022

Gold Prepayment Liabilities Disclosure [Abstract]

Disclosure of detailed information about gold prepayment liabilities [Table Text Block]

		Dec. 31, 2022		Dec. 31, 2021
Current	$	71,208	$	71,394
Non-current		-		68,614
	$	71,208	$	140,008

Disclosure of detailed information about changes in gold prepayment liabilities [Table Text Block]

Balance, January 1, 2021	$	137,031
Change in fair value recorded in profit or loss		293
Change in fair value recorded in other comprehensive income		2,684
Balance, December 31, 2021	$	140,008
Change in fair value recorded in income statement (note 6g)		3,426
Change in fair value recorded in other comprehensive income		(512	)
Repayments		(71,714	)
Balance, December 31, 2022	$	71,208