Finance Costs - Net (Tables)

12 Months Ended

Dec. 31, 2021

Disclosure Of Finance Costs Net [Abstract]

Disclosure of finance costs net [Table Text Block]

		Year ended December 31,
		2021			2020
Debt accretion and interest:
Convertible debt (Note 8)	$	2,631		$	835
Promissory note (Note 9)		1,066			1,128
Environmental rehabilitation accretion (Note 6)		1,934			2,083
Restricted deposit (gain)/loss (Note 6)		(1,322	)		(1,527	)
Cash interest income		(10	)		(23	)
Other finance costs		40			(1,452	)
Finance costs - net	$	4,339		$	1,044