Quarterly report pursuant to Section 13 or 15(d)

Operating Leases - Additional Information (Detail)

v3.21.1
Operating Leases - Additional Information (Detail) - USD ($)
$ in Thousands
 3 Months Ended
May 01, 2021
Apr. 30, 2021
Significant Accounting Policies [Line Items]    
Rent payments   $ 400
Net gain (loss) on termination of lease   328
Termination Agreement [Member]    
Significant Accounting Policies [Line Items]    
Termination payment   400
Termination payment made   300
Non cash gain on operating lease   300
Net gain (loss) on termination of lease   $ (100)
Sublease expiration date   2025-02
Subsequent Event [Member] | Termination Agreement [Member]    
Significant Accounting Policies [Line Items]    
Termination payment $ 100