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Discontinued Operations (Details Textual) (USD $)
3 Months Ended9 Months Ended8 Months Ended
Sep. 30, 2010
Sep. 30, 2010
Aug. 31, 2010
Cerro Bayo Mine [Member]
Ounce
Sep. 30, 2011
Cerro Bayo Mine [Member]
Ounce
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations (Textual)    
Percentage of ownership in the companies  100.00% 
Cash to be received as per sale agreement  $ 6,000,000 
Shares received from Divesture of business  17,857,143 
Six Equal quarterly installment of Silver in ounce received from Divesture of business  125,000 
Fair value of silver to be delivered  2,300,000 
Net Smelter Royalty on production from Disposed Business  2.00% 
Maximum Cumulative ounce of gold for smelter royalty calculation  50,000 
Silver in ounce for smelter royalty  5,000,000 
Fair Value of silver for Smelter Royalty  5,400,000 
Retained value added taxes  3,500,000 
Amount of next reclamation costs associated with Mineral Cerro Bayo's nearby Furioso property to be paid by Mandalay  6,000,000 
Loss on sale of discontinued assets882,000(2,095,000)2,100,000 
First installment received   20,833
Fair Value of Silver to be Delivered on First Installment Received   $ 700,000