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10. Fair Value Measurements (Details 1) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Fair Value Measurements Details 1    
Beginning Balance $ 267,950 $ 0
Issuances of warrant liabilities 995,418 1,189,095
Exercise of warrant liabilities (1,006,648) (1,018,167)
Realized and unrealized gain related to change in fair value (197,127) 97,022
Ending Balance $ 59,593 $ 267,950