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Stockholders' Equity (Details) (Service-based vesting condition options [Member])
12 Months Ended
Nov. 30, 2012
Nov. 30, 2011
Service-based vesting condition options [Member]
   
Weighted average values:    
Expected dividends 0.00% 0.00%
Expected volatility 113.00% 108.00%
Risk free interest rate 0.87% 1.20%
Expected life 5 years 6 months 5 years 6 months