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13. Derivative Liabilities (Tables)
3 Months Ended
Mar. 31, 2014
Derivative Instruments and Hedging Activities Disclosure [Abstract]  
Fair value assumptions schedule

 

Estimated fair value of underlying common stock   $ 3.00  
Remaining life in years     3.15  
Risk-free interest rate     0.38 %
Expected volatility     142 %
Dividend yield