Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Details 1)

v2.4.0.6
Stock Options (Details 1) (Service-based vesting condition options [Member], USD $)
 9 Months Ended 12 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Nov. 30, 2011
Service-based vesting condition options [Member]
      
Stock option activity for options      
Outstanding at November 30, 2011, Shares 608,419    
Granted, Shares 698,500    
Exercised, Shares (33,562) (11,751)  
Expired/forfeited, Shares (122,280)    
Outstanding at August 31, 2012, Shares 1,151,077   608,419
Exercisable at August 31, 2012, Shares 820,062    
Outstanding at November 30, 2011, Weighted Average Exercise Price $ 2.40    
Granted, Weighted Average Exercise Price $ 1.90    
Exercised, Weighted Average Exercise Price $ 1.83    
Expired/forfeited, Weighted Average Exercise Price $ 2.20    
Outstanding at August 31, 2012, Weighted Average Exercise Price $ 2.14   $ 2.40
Exercisable at August 31, 2012, Weighted Average Exercise Price $ 2.10    
Outstanding, Weighted Average Remaining Contractual Term (Years) 7 years 3 months 11 days   6 years 4 months 17 days
Exercisable at August 31, 2012, Weighted Average Remaining Contractual Term (Years) 7 years 7 months 28 days    
Outstanding at November 30, 2011, Aggregate Intrinsic Value $ 37,490    
Granted, Aggregate Intrinsic Value 200,375    
Exercised, Aggregate Intrinsic Value 22,801    
Expired/forfeited, Aggregate Intrinsic Value 24,806    
Outstanding at August 31, 2012, Aggregate Intrinsic Value 297,213   37,490
Exercisable at August 31, 2012, Aggregate Intrinsic Value $ 268,206