Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Disaggregation of Revenue [Line Items]
Realized gain (loss) - embedded derivative, net	$ 966	$ 248	$ 989	$ 882
Unrealized gain (loss) - embedded derivative, net	115	(705)	158	(1,426)
Total sales, net	20,782	24,807	39,484	56,035
Dore
Disaggregation of Revenue [Line Items]
Less: Treatment and refining charges		(17)	(6)	(42)
Total concentrate sales, net		558	19	2,327
Gold Dore
Disaggregation of Revenue [Line Items]
Total concentrate sales, net		543	24	2,268
Silver Dore
Disaggregation of Revenue [Line Items]
Total concentrate sales, net		32	1	101
Concentrate
Disaggregation of Revenue [Line Items]
Less: Treatment and refining charges	(1,439)	(3,311)	(3,016)	(6,470)
Total concentrate sales, net	19,701	24,706	38,318	54,252
Gold Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	6,358	7,949	13,757	18,571
Silver Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	6,840	6,609	11,908	13,182
Copper Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	1,941	2,749	4,182	5,743
Lead Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	1,060	2,782	2,424	5,747
Zinc Concentrate
Disaggregation of Revenue [Line Items]
Total concentrate sales, net	4,941	7,928	9,063	17,479
Co-products
Disaggregation of Revenue [Line Items]
Realized gain (loss) - embedded derivative, net	$ 300	$ (100)	$ 300	$ 300