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CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
OPERATING ACTIVITIES:      
Net loss $ (30,762,273) $ (11,606,231) $ (60,326,419)
Adjustments to reconcile net loss to net cash used in operating activities:      
Depreciation, amortization and depletion 2,503,147 269,549 131,785
Gain or sale of mineral rights and properties       (300,000)
Gain on sale of properties, plant, and equipment    (15,785)   
Disposal and impairment of mineral rights and properties, plant, and equipment 14,169    108,698
Stock, warrants, and stock-based compensation and services 7,914,918 3,284,239 598,667
Accretion of convertible debenture discounts       392,014
Accretion of reclamation liability 184,237 97,346 87,317
Other, non cash items       45,020
Deferred income taxes    (76,081)   
Loss on debt extinguishment       26,350,890
Amortization of debt discounts and issuance costs 752,890      
Net change in fair values of derivatives (438,519) (3,864,146) 23,475,749
Changes in operating assets and liabilities, net of affects from acquisition:      
Accounts receivable (634,643)      
Inventories (662,929)      
Stockpiles and mineralized material on leach pads (4,280,664)      
Prepaid expenses (393,461) 66,000 (333,476)
Other assets 80,106 (98,516)   
Accounts payable 1,450,440 126,414 (770,980)
Accrued expenses and other liabilities 1,859,149 169,310 (166,556)
Accrued interest payable       2,815,916
NET CASH USED IN OPERATING ACTIVITIES (22,413,433) (11,647,901) (7,891,375)
INVESTING ACTIVITIES:      
Proceeds from maturity of available-for-sale securities 2,211,287 4,403,950   
Purchase of available-for-sale securities    (2,205,000) (4,410,237)
Purchase of mineral rights and properties, plant and equipment (13,366,348) (7,799,058) (376,515)
Acquisition of Gold Hill Hotel    (500,000)   
Proceeds from sale of mineral rights and properties, plant and equipment    102,000 550,000
Change in reclamation bond deposit 260,944      
NET CASH USED IN INVESTING ACTIVITIES (10,894,117) (5,998,108) (4,236,752)
FINANCING ACTIVITIES:      
Principal payments on long-term debt obligations (968,006) (782,290) (762,590)
Proceeds from long-term debt obligations 9,702,500      
Long-term debt obligation issuance costs (100,000)      
Proceeds from the issuance of common stock 24,349,203      
Common stock issuance costs (658,078)      
Proceeds from the issuance of preferred stock       35,749,400
Preferred stock issuance costs       (2,571,588)
Proceeds from the issuance of convertible debentures       4,850,000
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES 32,325,619 (782,290) 37,265,222
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS (981,931) (18,428,299) 25,137,095
CASH AND CASH EQUIVALENTS, BEGINNING OF YEAR 6,955,010 25,383,309 246,214
CASH AND CASH EQUIVALENTS, END OF YEAR 5,987,248 6,955,010 25,383,309
SUPPLEMENTAL CASH FLOW INFORMATION:      
Cash paid for income taxes         
Cash paid for interest 295,258 64,837 82,147
Supplemental disclosure of non-cash investing and financing activities:      
Conversion of Series A-2 and Series B convertible preferred stock 2,042 4,107   
Dividends paid in common stock (par value) 1,431 782   
Issuance of common stock for properties, plant and equipment 444,700 430,000   
Additions to reclamation liability and retirement obligation asset 2,405,314 577,529   
Reclamation bond deposit included in accrued expenses and other liabilities 2,050,000      
Reclassification of warrant derivative liability to equity       2,686,431
Accrual of derivative liability - contingent dividend with offset to preferred stock 6,009 15,954 2,003,688
Properties, plant and equipment purchases in accounts payable 139,261 809,150   
Common stock surrendered in cashless exercise of options 82      
Issuance of Convertible Preferred Stock for Mineral Lease [Member]
      
Supplemental disclosure of non-cash investing and financing activities:      
Issuance of stock 2,466,750 1,931,999 1,708,800
Debt Obligation Payment [Member]
      
Supplemental disclosure of non-cash investing and financing activities:      
Issuance of stock 75,000    835,483
Debt Interest Payment [Member]
      
Supplemental disclosure of non-cash investing and financing activities:      
Issuance of stock       446,913
Issuance of Long-Term Debt Obligations for Purchase of Mineral Rights and Properties, Plant and Equipment [Member]
      
Supplemental disclosure of non-cash investing and financing activities:      
Issuance of debt 2,801,125 426,960 725,000
Gold Hill Hotel Acquisition [Member]
      
Supplemental disclosure of non-cash investing and financing activities:      
Issuance of debt    $ 340,000