Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity (Details 2)

v2.4.0.6
Stockholders' Equity (Details 2) (USD $)
 12 Months Ended
Nov. 30, 2012
Nov. 30, 2012
Significant option groups outstanding and exercisable option and its price and contractual life    
Outstanding, Outstanding 1,183,098 1,183,098
Outstanding, Weighted Average Remaining Contractual Life (Years)   7 years 1 month 13 days
Outstanding, Weighted Average Exercise Price $ 2.15 $ 2.15
Exercisable, Outstanding 931,695 931,695
Exercisable, Weighted Average Exercise Price $ 2.13 $ 2.13
Range 1 [Member]
    
Significant option groups 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, Outstanding 10,000  
Outstanding, Weighted Average Remaining Contractual Life (Years)   2 years 5 months 12 days
Outstanding, Weighted Average Exercise Price $ 0.78  
Exercisable, Outstanding 10,000  
Exercisable, Weighted Average Exercise Price $ 0.78  
Range 2 [Member]
    
Significant option groups 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, Outstanding 533,009  
Outstanding, Weighted Average Remaining Contractual Life (Years)   7 years 9 months 15 days
Outstanding, Weighted Average Exercise Price $ 1.68  
Exercisable, Outstanding 501,601  
Exercisable, Weighted Average Exercise Price $ 1.69  
Range 3 [Member]
    
Significant option groups 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, Outstanding 599,500  
Outstanding, Weighted Average Remaining Contractual Life (Years)   7 years 18 days
Outstanding, Weighted Average Exercise Price $ 2.51  
Exercisable, Outstanding 379,505  
Exercisable, Weighted Average Exercise Price $ 2.61  
Range 4 [Member]
    
Significant option groups 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, Outstanding 40,589  
Outstanding, Weighted Average Remaining Contractual Life (Years)   4 months 6 days
Outstanding, Weighted Average Exercise Price $ 3.34  
Exercisable, Outstanding 40,589  
Exercisable, Weighted Average Exercise Price $ 3.34