Accounts Payable and Other Accrued Liabilities (Details) - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Accounts payable and accruals	$ 710,000	$ 282,000
Accrued employee compensation and benefits	724,000	1,344,000
Value added tax payable	401,000	76,000
Income taxes payable	292,000	267,000
Accounts payable and other accrued liabilities	2,127,000	1,969,000
Accrued vacation	200,000	200,000
Withholding taxes and benefits payable	500,000	700,000
VAT receivables offset against VAT payable	73,000	30,000
KELTIP
Accrued employee compensation and benefits		400,000
Velardena properties
Accounts payable and accruals	300,000	100,000
Accrued employee compensation and benefits	500,000	600,000
Corporate, Exploration & Other
Accounts payable and accruals	$ 300,000	$ 200,000