Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.8.0.1
License Agreements - Additional Information (Detail)
3 Months Ended
Feb. 28, 2018
USD ($)
Agreement
Feb. 28, 2017
USD ($)
License Agreements [Line Items]    
Types of agreements | Agreement 2  
License fees $ 0 $ 0
LifeCell License and Agreement [Member]    
License Agreements [Line Items]    
Proceeds from royalties received 5,900,000  
Royalty revenue 6,100,000  
LifeCell License and Agreement [Member] | Maximum [Member]    
License Agreements [Line Items]    
Royalties receivable 1,000,000  
Royalty revenue 10,000,000  
LifeCell License and Agreement [Member] | Accounts Receivable [Member]    
License Agreements [Line Items]    
Royalties receivable $ 200,000