Annual report pursuant to Section 13 and 15(d)

8. Derivative liability (Tables)

v2.4.1.9
8. Derivative liability (Tables)
12 Months Ended
Dec. 31, 2014
Derivative Liability [Abstract]  
Schedule of derivative liabilities
    Derivative Liabilities, Fair Value of Warrants  
    January 15     December 31,  
    2013     2012  
Risk-free interest rate     0.12%       0.02%  
Expected volatility     92%       165%  
Expected life (in years)     0.75 - 1.00       0.04  
Expected dividend yield     0%       0%  
Fair Value:                
2009 Warrants     3,441,752       3,221,138  
Total Fair Value   $ 3,441,752     $ 3,221,138