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14. Derivative Liabilities (Details) (Derivative Liabilities, USD $)
12 Months Ended
Dec. 31, 2013
Derivative Liabilities
 
Estimated fair value of underlying common stock $ 3.00
Remaining life, min 3 years 18 days
Remaining life, max 3 years 1 month 24 days
Risk-free interest rate, min 0.35%
Risk-free interest rate, max 0.38%
Expected volatility, min 141.00%
Expected volatility, max 142.00%
Dividend yield 0.00%