Accounts Payable and Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Accounts payable and accruals	$ 2,733	$ 1,079
Accrued employee compensation and benefits	1,562	2,009
Income taxes payable	50	421
Accounts payable and other accrued liabilities	4,345	3,509
Accrued vacation	500	200
Withholding taxes and benefits payable	1,100	1,800
Velardena Properties [Member]
Accounts payable and accruals	2,200	700
Accrued employee compensation and benefits	1,300	1,300
Corporate, Exploration and Other [Member]
Accounts payable and accruals	$ 500	$ 200