Accounts Payable and Other Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Accounts payable and accruals	$ 337	$ 344
Accrued employee compensation and benefits	853	880
Accounts payable and other accrued liabilities	1,190	1,224
Accrued vacation	200	200
Withholding taxes and benefits payable	700	400
KELTIP
Withholding taxes and benefits payable	400	300
Velardena properties
Accounts payable and accruals	100	100
Withholding taxes and benefits payable	300	200
Corporate, Exploration & Other
Accounts payable and accruals	$ 200	$ 200