Quarterly report pursuant to Section 13 or 15(d)

Operating leases - Schedule of Future Minimum Lease Payments for Operating Leases (Detail)

v3.19.2
Operating leases - Schedule of Future Minimum Lease Payments for Operating Leases (Detail) - USD ($)
$ in Thousands
Jul. 31, 2019
Feb. 01, 2019
Leases [Abstract]    
2020 $ 392  
2021 688  
2022 660  
2023 249  
2024 19  
Total lease payments 2,008  
Less interest 119  
Operating lease liability $ 1,889 $ 1,700