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Series B Redeemable Convertible Stock (Tables)
12 Months Ended
Nov. 30, 2012
Series B Convertible Preferred Stock [Abstract]  
Fair Value, by Balance Sheet Grouping [Table Text Block]

The fair value of the embedded conversion feature was estimated using the Black-Scholes option-pricing model using the following assumptions:

 

    November 30,
2012
    November 30,
2011
    November 30,
2010
 
                   
Fair value of common stock   $ 0.0013     $ 0.0049     $ 0.0040  
Conversion price of preferred stock   $ 0.0215     $ 0.0324     $ 0.0525  
Risk free interest rate     1.62 %     2.08 %     2.81 %
Expected life     10 Years       10 Years       10 Years  
Dividend yield     -       -       -  
Volatility     141 %     140 %     140 %