Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Summary of License Fees Earned (Detail)

v3.10.0.1
License Agreements - Summary of License Fees Earned (Detail) - USD ($)
 3 Months Ended 9 Months Ended
Aug. 31, 2018
Aug. 31, 2017
Aug. 31, 2018
Aug. 31, 2017
License Agreements [Line Items]        
Process and Storage Royalties $ 539,286 $ 492,208 $ 742,445 $ 820,877
License and Royalty Income [Member]        
License Agreements [Line Items]        
Process and Storage Royalties $ 539,286 $ 492,208 $ 742,445 $ 820,877