Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.19.3
License Agreements - Additional Information (Detail)
3 Months Ended 9 Months Ended
Aug. 31, 2019
USD ($)
Aug. 31, 2018
USD ($)
Aug. 31, 2019
USD ($)
Agreement
Aug. 31, 2018
USD ($)
License Agreements [Line Items]        
Types of agreements | Agreement     2  
Revenue $ 8,223,393 $ 7,871,222 $ 23,846,357 $ 20,624,803
LifeCell License and Agreement [Member]        
License Agreements [Line Items]        
Royalty income since inception of license and royalty agreement 9,000,000   9,000,000  
Royalty collected since inception of license and royalty agreement 8,250,000   8,250,000  
LifeCell License and Agreement [Member] | Accounts Receivables [Member]        
License Agreements [Line Items]        
Royalties receivable 750,000   750,000  
LifeCell License and Agreement [Member] | Maximum [Member]        
License Agreements [Line Items]        
Royalties receivable $ 1,000,000   1,000,000  
LifeCell License and Agreement [Member] | Maximum [Member] | Royalty [Member]        
License Agreements [Line Items]        
Revenue     $ 10,000,000