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9. Fair Value Measurements (Details 1) (USD $) | 3 Months Ended
--- | ---
Jun. 30, 2013 | Mar. 31, 2013
Fair Value Measurements Details 1 |  |
Beginning Balance | $ 94,278 | $ 267,950
Issuances of warrant liabilities |  | 955,418
Exercise of warrant liabilities |  | (1,006,648)
Realized and unrealized gain related to change in fair value | (25,477) | (162,442)
Ending Balance | $ 68,801 | $ 94,278

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