Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.10.0.1
License Agreements - Additional Information (Detail)
Aug. 31, 2018
USD ($)
May 31, 2018
USD ($)
Mar. 15, 2018
USD ($)
Mar. 15, 2018
GBP (£)
Licenses Agreements [Line Items]        
Accrued license fee $ 233,800 $ 133,600 $ 400,000 £ 300,000
Minimum        
Licenses Agreements [Line Items]        
Royalty on every net sales 0.75%      
Maximum        
Licenses Agreements [Line Items]        
Royalty on every net sales 2.00%