Asset Retirement and Reclamation Liabilities (Details) - USD ($)	3 Months Ended	9 Months Ended		12 Months Ended
	Dec. 31, 2021	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022	Jun. 30, 2012
Current asset retirement and reclamation liabilities		$ 50,000
Non-current asset retirement and reclamation liabilities		4,142,000		$ 3,993,000
Total	$ 3,569,000	4,192,000	$ 3,805,000	3,993,000
Summary of activity in the Velardena Operations ARO
ARO, Beginning balance		3,993,000	3,569,000	3,569,000
Changes in estimates, and other		(23,000)	25,000
Accretion expense		222,000	211,000
ARO, Ending balance	$ 3,569,000	$ 4,192,000	$ 3,805,000	$ 3,993,000
Velardena Properties
Non-current asset retirement and reclamation liabilities					$ 1,900,000
Reclamation activity extension term	7 years			1 year