Note 12 - Other Non-current Assets and Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2021

Statement Line Items [Line Items]

Disclosure of detailed information about other non-current assets and other liabilities [text block]

	2021		2020
Other non-current assets
VAT receivable(1)	$	1,676	$	7,734
Non-current derivative assets(2)		2,460		8,339
Prepayments for property, plant and equipment		349		8,763
Reclamation deposits(3)		92		47,083
Receivable from Orion (note 7)		25,000		—
Long-term inventory		1,734		1,747
Other		773		3,435
Total other non-current assets	$	32,084	$	77,101
Other non-current liabilities
Long-term portion of lease obligations (note 16)	$	14,053	$	14,340
Post-retirement benefits		4,382		4,060
Non-current derivative liabilities(2)		990		3,141
Total other non-current liabilities	$	19,425	$	21,541