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Long-Term Debt Obligations (Narrative) (Details) (USD $) |  |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2012 Call Option [Member] | Dec. 31, 2012 Put Option [Member] | Jul. 31, 2012 Put Option [Member] | Dec. 31, 2012 Note Payable (Caterpillar Equipment Facility) [Member] | Dec. 31, 2012 Note Payable (Caterpillar Equipment Facility) [Member] Default Interest Rate [Member] | Dec. 31, 2012 Note Payable (Auramet Facility) [Member] oz | Dec. 31, 2012 Note Payable (Auramet Facility) [Member] Default Interest Rate [Member] | Dec. 31, 2012 Note Payable (Auramet Facility) [Member] Monthly Scenario [Member] oz
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |
Note issued |  |  |  |  |  | $ 5,000,000 |  | $ 5,000,000 |  |
Note payable, interest rate |  |  |  |  |  | 5.85% | 18.00% |  | 15.00% |
Periodic installments amount |  |  |  |  |  | 179,556 |  |  |  |
Frequency of payable |  |  |  |  |  | monthly |  | semi-monthly |  |
Note payable, due date |  |  |  |  |  | Mar. 31, 2015 |  | Jul. 31, 2013 |  |
Note payable, imputed interest/debt discount |  |  | 124,691 |  |  |  |  | 546,890 |  |
Debt instrument, maximum borrowing capacity amount |  |  |  |  |  | 5,000,000 |  | 5,000,000 |  |
Amounts borrowed on facility |  |  |  |  |  | 5,000,000 |  | 5,000,000 |  |
Term of debt |  |  |  |  |  | 30 months |  |  |  |
Number of ounces of gold |  |  |  |  |  |  |  | 3,720 |  | 310
Debt instrument interest rate |  |  |  |  |  |  |  | 24.00% |  |
Minimum liquidity balance |  |  |  |  |  |  |  | 3,000,000 |  |
Number of ounces of gold |  |  | 5,950 | 10,000 |  |  |  |  |  |
Strike Price, per ounce |  |  | 2,000.0 | 1,250.0 |  |  |  |  |  |
Call option maturity date |  |  | Jul. 24, 2013 | Jan. 29, 2013 |  |  |  |  |  |
Derivative liabilities | $ 544,681 |  |  | $ 297,451 | $ 172,500 |  |  |  |  |

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