Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v2.4.0.8
License Agreements - Additional Information (Detail) (USD $)
 1 Months Ended 3 Months Ended 9 Months Ended
Oct. 17, 2011
Installment
Aug. 31, 2013
Aug. 31, 2012
Aug. 31, 2013
Agreement
Installment
Aug. 31, 2012
Installment
Nov. 30, 2012
Aug. 31, 2013
Ecuador Affiliate [Member]
Nov. 15, 2014
Scenario, Forecast [Member]
License Agreements [Line Items]                
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              
Number of installments 37              
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
Company for royalties or other license payments and the agreement   1,863,000   1,863,000        
Royalty receivable   694,238   694,238   1,115,505    
Deferred royalty revenue   692,120   692,120   1,104,623    
Number of installments received       9 9      
Revenue associated with two agreements       50,000 50,000      
Accounts receivable, allowance for doubtful accounts   1,927,225   1,927,225   1,367,465 150,000  
Processing and storage revenues   $ 381,000 $ 392,000 $ 1,134,000 $ 1,185,000