Asset Retirement and Reclamation Liabilities (Details) - USD ($)	3 Months Ended	6 Months Ended		12 Months Ended
	Dec. 31, 2021	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Jun. 30, 2012
Asset retirement and reclamation liabilities	$ 3,569,000	$ 4,126,000	$ 3,739,000	$ 3,993,000
Total		4,126,000		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		(15,000)	30,000
Accretion expense		148,000	140,000
ARO, Ending balance	$ 3,569,000	$ 4,126,000	$ 3,739,000	$ 3,993,000
Velardena Properties
Asset retirement and reclamation liabilities					$ 1,900,000
Reclamation activity extension term	7 years			1 year