Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.19.3
License Agreements - Additional Information (Detail)
Aug. 31, 2019
USD ($)
May 31, 2019
USD ($)
Apr. 15, 2019
GBP (£)
Apr. 15, 2019
USD ($)
Licenses Agreements [Line Items]        
Accrued license fee $ 382,700 $ 208,600 £ 300,000 $ 400,000
Minimum        
Licenses Agreements [Line Items]        
Royalty on every net sales 0.75%      
Maximum        
Licenses Agreements [Line Items]        
Royalty on every net sales 2.00%