Segment Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) segment	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Segment Information
Number of reportable segments | segment			2
Revenue	$ 5,268	$ 8,479	$ 18,700	$ 16,118
Costs Applicable to Sales	4,374	4,292	13,335	9,156
Depreciation, Depletion and Amortization	89	143	241	466
Exploration, El Quevar, Velardena and Administrative Expense	3,818	3,562	11,795	8,477
Pre-Tax (gain) loss	2,743	(599)	5,916	3,374
Total Assets	18,549	20,062	18,549	20,062	$ 23,713
Capital Expenditures	19	171	$ 46	1,542
Mexico Operations
Segment Information
Number of reportable segments | segment			1
Revenue	5,268	8,479	$ 18,700	16,118
Costs Applicable to Sales	4,374	4,292	13,335	9,156
Depreciation, Depletion and Amortization	77	125	204	343
Exploration, El Quevar, Velardena and Administrative Expense	1,878	(596)	5,815	753
Pre-Tax (gain) loss	1,097	(3,007)	14	(4,199)
Total Assets	9,084	8,727	9,084	8,727
Capital Expenditures	17	168	43	1,479
Corporate, Exploration and Other [Member]
Segment Information
Depreciation, Depletion and Amortization	12	18	37	123
Exploration, El Quevar, Velardena and Administrative Expense	1,940	4,158	5,980	7,724
Pre-Tax (gain) loss	1,646	2,408	5,902	7,573
Total Assets	9,465	11,335	9,465	11,335
Capital Expenditures	$ 2	$ 3	$ 3	$ 63