Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.19.1
License Agreements - Additional Information (Detail)
 3 Months Ended
Feb. 28, 2019
USD ($)
Agreement
Feb. 28, 2018
USD ($)
License Agreements [Line Items]    
Types of agreements | Agreement 2  
Revenue $ 7,495,112 $ 6,228,118
License Fee [Member]    
License Agreements [Line Items]    
Revenue 0  
Processing and Storage Royalties [Member]    
License Agreements [Line Items]    
Revenue   $ 0
LifeCell License and Agreement [Member]    
License Agreements [Line Items]    
Royalty income since inception of license and royalty agreement 7,000,000  
Royalty collected since inception of license and royalty agreement 6,600,000  
LifeCell License and Agreement [Member] | Accounts Receivables [Member]    
License Agreements [Line Items]    
Royalties receivable 400,000  
LifeCell License and Agreement [Member] | Maximum [Member]    
License Agreements [Line Items]    
Royalties receivable 1,000,000  
LifeCell License and Agreement [Member] | Maximum [Member] | Royalty [Member]    
License Agreements [Line Items]    
Revenue $ 10,000,000