Annual report pursuant to Section 13 and 15(d)

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

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Operating Leases - Schedule of Supplemental Balance Sheet Information Related to Operating Leases (Detail) - USD ($)
$ in Thousands
Jan. 31, 2021
Jan. 31, 2020
Leases [Abstract]    
Operating lease right-of-use assets $ 4,968 $ 4,860
Current portion, operating lease liabilities 1,387 722
Operating lease liabilities 4,070 4,348
Total operating lease liabilities $ 5,457 $ 5,070
Weighted average remaining lease term (years) 4 years 5 years
Weighted average incremental borrowing rate 5.00% 5.00%