CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Cash flows from operating activities:
Net loss	$ (21,064)	$ (12,466)
Adjustments to reconcile net loss from operating activities:
Loss from investment in Minera Santa Cruz S.A., net of amortization (Note 9)	1,120	574
Depreciation and amortization	3,606	4,662
Gain on investments (Note 5)	(618)
Unrealized foreign exchange loss and adjustment to estimate (Note 11)	195	152
Income and mining tax (recovery)	(814)	(2,015)
Stock-based compensation	183	227
Reclamation and remediation (Note 11)	527	911
Change in non-cash working capital items:
Increase in other assets related to operations	(763)	(1,562)
(Decrease) in liabilities related to operations	2,008	(626)
Cash used in operating activities	(15,620)	(10,143)
Cash flows from investing activities:
Net additions to mineral property interests and plant and equipment	(4,045)	(10,085)
Dividends received from Minera Santa Cruz S.A. (Note 9)		4,984
Cash used in investing activities	(4,045)	(5,101)
Cash flows from financing activities:
Proceeds from sale of shares, net of issuance costs (Note 12)		29,875
Sale of flow-through common shares, net of issuance costs (Note 12)	14,376	11,966
Proceeds from promissory note (Note 10 and Note 14)	15,000
Subscription proceeds received in advance	300
Payment of finance lease obligations	(215)	(8)
Cash provided by financing activities	29,461	41,833
Increase in cash, cash equivalents and restricted cash	9,796	26,589
Cash, cash equivalents and restricted cash, beginning of period	60,634
Cash, cash equivalents and restricted cash, end of period (Note 17)	70,430	51,027
Supplemental disclosure of cash flow information:
Interest paid	(1,202)	(1,215)
Interest received	$ 6	$ 7