Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.10.0.1
License Agreements - Additional Information (Detail)
 3 Months Ended 9 Months Ended
Aug. 31, 2018
USD ($)
Aug. 31, 2017
USD ($)
Aug. 31, 2018
USD ($)
Agreement
Aug. 31, 2017
USD ($)
License Agreements [Line Items]        
Types of agreements | Agreement     2  
Revenue $ 7,871,222 $ 6,895,941 $ 20,624,803 $ 18,909,316
LifeCell License and Agreement [Member]        
License Agreements [Line Items]        
Royalty income since inception of license and royalty agreement 6,700,000   6,700,000  
Royalty collected since inception of license and royalty agreement 6,200,000   6,200,000  
LifeCell License and Agreement [Member] | Accounts Receivable [Member]        
License Agreements [Line Items]        
Royalties receivable 500,000   500,000  
LifeCell License and Agreement [Member] | Maximum [Member]        
License Agreements [Line Items]        
Royalties receivable $ 1,000,000   1,000,000  
LifeCell License and Agreement [Member] | Royalty [Member] | Maximum [Member]        
License Agreements [Line Items]        
Revenue     $ 10,000,000