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Summary of Significant Accounting Policies (Details 1) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Accounting Policies [Abstract]    
Reported ore on the leach pads, total assets $ 82,000,000 $ 44,300,000
Reported ore on the leach pads, current assets 50,495,000 22,991,000
Reported ore on the leach pads, non-current assets 31,528,000 21,356,000
Drilling and Related Costs $ 11,600,000 $ 13,900,000