Annual report pursuant to Section 13 and 15(d)

License Agreements - Additional Information (Detail)

v3.20.4
License Agreements - Additional Information (Detail) - LifeCell License and Agreement [Member] - USD ($)
Nov. 30, 2020
Nov. 30, 2019
License Agreements [Line Items]    
Royalties receivable   $ 1,000,000
Royalties receivables, due $ 629,702  
Royalty income since inception of license and royalty agreement 10,000,000  
Royalty collected since inception of license and royalty agreement 8,900,000  
Accounts Receivables [Member]    
License Agreements [Line Items]    
Royalties receivable 1,100,000  
Maximum [Member]    
License Agreements [Line Items]    
Royalties receivable annually 1,000,000  
Royalties receivable $ 10,000,000