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Capital Stock (Tables)
6 Months Ended
Jun. 30, 2012
Black-Scholes Pricing Model Assumptions to Determine Fair Value of Warrants

For purposes of determining the fair value of the warrants issued in the Preferred Stock transaction, the Black-Scholes pricing model was used with the following assumptions:

 

 

Risk-free interest rate     1 %
Expected life     5 years  
Expected volatility     142.36 %
Dividend yield     0 %