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Fair Value of Financial Instruments (Tables)
12 Months Ended
Jan. 31, 2013
Financial Instruments, Owned, At Fair Value [Abstract]  
Fair Value Measurements Using Significant Unobservable Inputs (Level 3)

The following summarizes the activity of Level 3 inputs measured on a recurring basis for the year ended January 31, 2013:

 

Fair Value Measurements Using Significant Unobservable Inputs (Level 3)

 

    Derivative     Warrant     Total  
Balance at January 31, 2011   $ -     $ -     $ -  
Additions     653,026       120,000       773,026  
Exercises   -   -   -  
Balance at January 31, 2012   653,026     120,000     773,026  
Additions     -       -       -  
Exercises     -       -       -  
Reclassification (Note 6)     (5,818,149 )     (808,732 )     (6,626,881 )
Adjustment resulting from change in fair value recognized in earnings     5,165,123       688,732       5,853,855  
Balance at January 31, 2013   $ -     $ -     $ -