CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Revenue:
Sale of metals (Note 17)	$ 4,217,000	$ 7,506,000
Total revenue	4,217,000	7,506,000
Costs and expenses:
Cost of metals sold (exclusive of depreciation shown below) (Note 17)	(4,046,000)	(4,322,000)
Exploration expense	(1,339,000)	(1,666,000)
El Quevar project expense	(151,000)	(117,000)
Velardena care and maintenance costs	(247,000)	(536,000)
Administrative expense	(1,331,000)	(1,272,000)
Stock-based compensation	(189,000)	(149,000)
Reclamation expense	(73,000)	(69,000)
Other operating income, net	23,000	387,000
Depreciation and amortization	(99,000)	(65,000)
Total costs and expenses	(7,452,000)	(7,809,000)
Loss from operations	(3,235,000)	(303,000)
Other income (expense):
Interest and other income (expense), net (Note 18)	2,000	(3,000)
Other income		25,000
Gain on foreign currency transactions	18,000	50,000
Total other income (expense)	20,000	72,000
Loss from operations before income taxes	(3,215,000)	(231,000)
Income taxes (Note 15)	(51,000)	(85,000)
Net loss	$ (3,266,000)	$ (316,000)
Net loss per common share - basic
Net loss per common share - basic	$ (0.02)	$ 0.00
Weighted-average shares outstanding - basic (1)	171,322,376	162,511,278