Quarterly report pursuant to Section 13 or 15(d)

Operating leases - Schedule of Supplemental Balance Sheet Information Related to Operating Leases (Detail)

v3.19.2
Operating leases - Schedule of Supplemental Balance Sheet Information Related to Operating Leases (Detail) - USD ($)
$ in Thousands
Jul. 31, 2019
Feb. 01, 2019
Leases [Abstract]    
Operating lease right-of-use assets $ 1,745 $ 1,700
Current portion, operating lease liabilities 667  
Operating lease liabilities, long-term 1,222  
Total operating lease liabilities $ 1,889 $ 1,700
Weighted average remaining lease term 2 years 9 months 18 days  
Weighted average incremental borrowing rate 7.00%