Segment Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014 item	Mar. 31, 2013	Dec. 31, 2013
Segment Information
Number of reportable segments	2
Revenue		$ 5,830
Costs Applicable to Sales		8,872
Depreciation, Depletion and Amortization	846	2,568
Exploration, El Quevar, Velardena and Administrative Expense	4,838	6,670
Pre-Tax loss	5,658	8,738
Total Assets	49,650	337,660	54,881
Capital Expenditures	7	881
Velardena Mine
Segment Information
Number of reportable segments	1
Revenue		5,830
Costs Applicable to Sales		8,872
Depreciation, Depletion and Amortization	625	2,337
Exploration, El Quevar, Velardena and Administrative Expense	1,260	2,162
Pre-Tax loss	1,996	6,714
Total Assets	28,468	294,296
Capital Expenditures		881
Corporate, Exploration & Other
Segment Information
Depreciation, Depletion and Amortization	221	231
Exploration, El Quevar, Velardena and Administrative Expense	3,578	4,508
Pre-Tax loss	3,662	2,024
Total Assets	21,182	43,364
Capital Expenditures	$ 7