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
Feb. 28, 2013
Installments
Agreement
Feb. 29, 2012
Nov. 30, 2012
Oct. 17, 2011
Installment
License Agreements (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      
Total royalty to be received in 37 monthly installments       $ 1,863,000
Amount of installment to be received related to termination of licenses agreement       50,000
Number of installments       37
Final payment to be received related to termination of license agreement       13,000
Company for royalties or other license payments and the agreement 1,863,000      
Royalty receivable 976,454   1,115,505  
Deferred royalty revenue 970,245   1,104,623  
Number of installments received 3      
Revenue associated with two agreements 50,000 50,000    
Processing and storage revenues $ 374,221 $ 406,385