Quarterly report pursuant to Section 13 or 15(d)

Notes Payable to Former Stockholders - Additional Information (Detail)

v3.20.1
Notes Payable to Former Stockholders - Additional Information (Detail) - USD ($)
$ in Millions
Apr. 30, 2020
Mar. 31, 2020
Debt Instrument [Line Items]    
Principal payments on notes payable to former stockholders $ 6.6  
Restricted Stock - Notes Payable [Member]    
Debt Instrument [Line Items]    
Unsecured notes interest rate   5.00%