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8. Fair Value of Warrants (Tables)
 6 Months Ended
Jun. 30, 2013
Fair Value Of Warrants Tables  
Schedule of fair value of liability warrants
Expected dividend yield     0 %
Risk-free interest rate     0. 26% - 1.82 %
Expected volatility     74.40% - 89.37 %
Expected Life (years)     2.00 - 10.00  
Exercise price   $ 0.001 - $0.50  
Company stock price   $ 0.37 - $0.50