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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