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Fair Value of Financial Instruments | 12 Months Ended
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Jan. 31, 2013
Financial Instruments, Owned, At Fair Value [Abstract] |
Financial Instruments Owned At Fair Value | 7. Fair Value of Financial Instruments The fair values of the Company’s financial instruments are measured on a recurring basis. The carrying amount reported in the accompanying consolidated balance sheets for cash and cash equivalents, accounts receivable, accounts payable and accrued expenses approximates fair value because of the short-term maturity of those instruments. The carrying amount for borrowings under the Senior Secured Note and the Convertible Notes approximates fair value. The fair value of the warrant and derivative liability was estimated using the Black-Scholes option valuation model. The Company did not have any assets or liabilities categorized as Level 1 or 2 as of January 31, 2013. 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 |  | $ | - |  |  | $ | - |  |  | $ | - |

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