Segment Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($) segment	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Segment Information
Number of reportable segments | segment	2
Revenue	$ 4,217	$ 7,506
Costs Applicable to Sales	(4,046)	(4,322)
Depreciation, Depletion and Amortization	99	65
Exploration, El Quevar, Velardena and Administrative Expense	3,068	3,591
Pre-Tax (gain) loss	(3,215)	(231)
Total Assets	13,582	23,637	$ 14,944
Capital Expenditures	$ 5	24
Mexico Operations
Segment Information
Number of reportable segments | segment	1
Revenue	$ 4,217	7,506
Costs Applicable to Sales	(4,046)	(4,322)
Depreciation, Depletion and Amortization	94	53
Exploration, El Quevar, Velardena and Administrative Expense	1,176	1,819
Pre-Tax (gain) loss	(1,174)	1,683
Total Assets	8,709	9,405
Capital Expenditures		23
Corporate administrative and exploration
Segment Information
Depreciation, Depletion and Amortization	5	12
Exploration, El Quevar, Velardena and Administrative Expense	1,892	1,772
Pre-Tax (gain) loss	(2,041)	(1,914)
Total Assets	$ 4,873	14,232
Capital Expenditures		$ 1