Inventories (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2023 USD ($) oz	Dec. 31, 2022 USD ($) oz
Inventories, net	$ 1,275,000	$ 1,371,000
Velardena Properties
Dore inventory	443,000	230,000
In-process inventory	406,000	572,000
Material and supplies	426,000	569,000
Inventories, net	1,275,000	1,371,000
Capitalized depreciation and amortization	$ 21,000	$ 28,000
Dore inventory gold | oz	227	157
Dore inventory silver | oz	815	652
Obsolescence allowance	$ 300,000	$ 300,000