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Fair Value Measurements (Tables)
12 Months Ended
Dec. 31, 2012
Fair Value Measurements [Abstract]  
Assets and Liabilities Measured at Fair Value on Recurring Basis

The following table presents our liabilities at December 31, 2012, which are measured at fair value on a recurring basis:

 

          Fair Value Measurements at December 31, 2012  
          Quoted     Significant        
          Prices     Other     Significant  
          in Active     Observable     Unobservable  
          Markets     Inputs     Inputs  
    Total     (Level 1)     (Level 2)     (Level 3)  
Liabilities:                                
Gold call derivative   $ 16,330     $ -     $ 16,330     $ -  
Gold forward derivative     297,451               297,451          
Derivative liability - contingent dividend     230,900       -       -       230,900  
Total Liabilities   $ 544,681     $ -     $ 313,781     $ 230,900  

 

The following table presents our assets and liabilities at December 31, 2011, which are measured at fair value on a recurring basis:

 

          Fair Value Measurements at December 31, 2011  
          Quoted     Significant        
          Prices     Other     Significant  
          in Active     Observable     Unobservable  
          Markets     Inputs     Inputs  
    Total     (Level 1)     (Level 2)     (Level 3)  
Assets:                                
Certificates of deposit   $ 2,211,287     $ -     $ 2,211,287     $ -  
Liabilities:                                
Derivative liability - contingent dividend     1,025,000       -       -       1,025,000  
Total Liabilities   $ 3,236,287     $ -     $ 2,211,287     $ 1,025,000  
Schedule of Changes in Level 3 Financial Instruments
    Contingent Dividend  
    Payment on Convertible  
    Preferred Stock  
       
Balances at January 1, 2011   $ 4,873,192  
Issuance of convertible preferred stock     15,954  
Change in fair value     (3,864,146 )
Balances at December 31, 2011     1,025,000  
Issuance of convertible preferred stock     6,009  
Change in fair value     (800,109 )
Balances at December 31, 2012   $ 230,900  
Schedule of Fair value of Assets, Valuation Techniques and Related Unobservable Inputs
Year                 Quantitave  
Ended   Fair Value     Valuation Techniques   Unobservable Input   Inputs Used  
2012 Derivative liability - contingent dividend   $ 230,900     Monte-Carlo Simulation   Discount Rate     12 %