Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Realized gain embedded derivative, net	$ 1,160	$ 359	$ 2,026	$ 450
Unrealized gain (loss) - embedded derivative, net	(3,324)	310	(2,156)	184
Total sales, net	37,064	30,836	82,481	58,104
Dore
Disaggregation of Revenue [Line Items]
Less: Treatment and refining charges	(10)	(20)	(17)	(91)
Total concentrate sales, net	2,531	2,903	3,788	5,696
Gold Dore
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	2,484	2,695	3,728	5,182
Silver Dore
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	57	228	77	605
Concentrate
Disaggregation of Revenue [Line Items]
Less: Treatment and refining charges	(3,127)	(2,907)	(5,868)	(5,791)
Total concentrate sales, net	36,697	27,264	78,823	51,774
Gold Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	13,850	7,671	28,391	14,195
Silver Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	5,146	6,951	11,231	13,264
Copper Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	2,708	3,714	6,805	7,100
Lead Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	3,768	2,595	7,595	5,000
Zinc Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	14,352	$ 9,240	30,669	18,006
Co-products
Disaggregation of Revenue [Line Items]
Realized gain embedded derivative, net	$ 1,200		$ 1,700	$ 300