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13. Derivative Liabilities (Tables)
 3 Months Ended 12 Months Ended
Mar. 31, 2014
Dec. 31, 2013
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     –  

 
Estimated fair value of underlying common stock     $3.00  
Remaining life in years     3.05 - 3.15  
Risk-free interest rate     0.35% - 0.38%  
Expected volatility     141% - 142%  
Dividend yield     –