Inventories, net (Details)	9 Months Ended	12 Months Ended
	Sep. 30, 2022 USD ($) oz	Dec. 31, 2021 USD ($) oz
Inventories, net	$ 1,786,000	$ 1,608,000
Rodeo Project
Dore inventory	416,000	481,000
In-process inventory	624,000	668,000
Material and supplies	746,000	459,000
Inventories, net	1,786,000	1,608,000
Capitalized depreciation and amortization	$ 28,000	$ 21,000
Dore inventory gold | oz	277	626
Dore inventory silver | oz	1,309	1,958
Obsolescence allowance	$ 300,000	$ 300,000