Quarterly report pursuant to Section 13 or 15(d)

License Agreements - Additional Information (Detail)

v3.10.0.1
License Agreements - Additional Information (Detail)
Mar. 15, 2019
USD ($)
Mar. 15, 2019
GBP (£)
Nov. 30, 2018
USD ($)
May 31, 2018
USD ($)
Mar. 15, 2018
USD ($)
Mar. 15, 2018
GBP (£)
Licenses Agreements [Line Items]            
Accrued license fee     $ 347,333 $ 133,600 $ 400,000 £ 300,000
Scenario, Forecast            
Licenses Agreements [Line Items]            
Accrued license fee $ 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%