Asset Retirement and Reclamation Liabilities (Details) (USD $)	1 Months Ended	12 Months Ended
	Sep. 30, 2011	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2012
Summary of activity in the Velardena Operations ARO
Beginning balance		$ 2,259,000
Accretion expense		184,000	101,000
Ending balance		2,602,000	2,259,000
Velardena Properties
Asset Retirement and Reclamation Liabilities
Amortization expense related to the ARC		200,000	200,000
ARO arising in the period (acquired at merger)	3,500,000
Summary of activity in the Velardena Operations ARO
Beginning balance		2,080,000	3,577,000
Changes in estimates, and other		203,000	(1,656,000)
Accretion expense		184,000	159,000
Ending balance		2,467,000	2,080,000
Third party estimated closure plan				1,900,000
El Quevar project
Summary of activity in the Velardena Operations ARO
Ending balance		$ 100,000	$ 200,000