Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Details 2)

v2.4.0.6
Stock Options (Details 2) (USD $)
9 Months Ended
Aug. 31, 2012
Information of outstanding and exercisable option and its price and contractual life  
Outstanding 1,151,077
Outstanding, Weighted Average Remaining Contractual Life (Years) 7 years 3 months 11 days
Outstanding, Weighted Average Exercise Price $ 2.14
Exercisable, Outstanding 820,062
Exercisable, Weighted Average Exercise Price $ 2.10
Range 1 [Member]
 
Information of outstanding and exercisable option and its price and contractual life  
Range of Exercise Prices Minimum $ 0.42
Range of Exercise Prices Maximum $ 1.00
Outstanding 15,000
Outstanding, Weighted Average Remaining Contractual Life (Years) 2 years 4 months 28 days
Outstanding, Weighted Average Exercise Price $ 0.68
Exercisable, Outstanding 15,000
Exercisable, Weighted Average Exercise Price $ 0.68
Range 2 [Member]
 
Information of outstanding and exercisable option and its price and contractual life  
Range of Exercise Prices Minimum $ 1.01
Range of Exercise Prices Maximum $ 2.00
Outstanding 546,988
Outstanding, Weighted Average Remaining Contractual Life (Years) 7 years 10 months 21 days
Outstanding, Weighted Average Exercise Price $ 1.68
Exercisable, Outstanding 507,797
Exercisable, Weighted Average Exercise Price $ 1.69
Range 3 [Member]
 
Information of outstanding and exercisable option and its price and contractual life  
Range of Exercise Prices Minimum $ 2.01
Range of Exercise Prices Maximum $ 3.00
Outstanding 548,500
Outstanding, Weighted Average Remaining Contractual Life (Years) 7 years 3 months 18 days
Outstanding, Weighted Average Exercise Price $ 2.54
Exercisable, Outstanding 256,676
Exercisable, Weighted Average Exercise Price $ 2.80
Range 4 [Member]
 
Information of outstanding and exercisable option and its price and contractual life  
Range of Exercise Prices Minimum $ 3.01
Range of Exercise Prices Maximum $ 4.00
Outstanding 40,589
Outstanding, Weighted Average Remaining Contractual Life (Years) 7 months 6 days
Outstanding, Weighted Average Exercise Price $ 3.34
Exercisable, Outstanding 40,589
Exercisable, Weighted Average Exercise Price $ 3.34