Quarterly report pursuant to Section 13 or 15(d)

License Agreements (Details Textual)

v2.4.0.6
License Agreements (Details Textual) (USD $)
 3 Months Ended 9 Months Ended
Aug. 31, 2012
Aug. 31, 2011
Aug. 31, 2012
Installments
Agreement
Aug. 31, 2011
Nov. 30, 2011
Oct. 17, 2011
Installment
License Agreements (Textual) [Abstract]            
Royalty revenue from Germany $ 356,381 $ 334,907 $ 1,017,256 $ 962,297    
License Agreements (Additional Textual) [Abstract]            
Types of agreement     2      
Date of notification received related to terminating license agreement     Aug. 19, 2011      
Date of amendment to license agreement with Mexico     Oct. 17, 2011      
Amount of installment to be received related to termination of licenses agreement           50,000
Final payment to be received related to termination of license agreement           13,000
Number of installments           37
Total royalty to be received in 37 monthly installments           1,863,000
Number of installments received     9      
Royalty receivable 1,252,947   1,252,947   1,656,476  
Deferred royalty revenue 1,239,144   1,239,144   1,633,910  
Processing and storage revenues 392,000 314,000 1,185,000 992,000    
Payment due to company as per agreement 50,000   50,000      
Revenue associated with two agreements 0   0      
Germany [Member]
            
License Agreements (Textual) [Abstract]            
Royalty revenue from Germany       $ 9,769