Annual report pursuant to Section 13 and 15(d)

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

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Operating Leases - Schedule of Future Minimum Lease Payments for Operating Leases (Detail) - USD ($)
$ in Thousands
Jan. 31, 2021
Jan. 31, 2020
Leases [Abstract]    
2022 $ 1,320  
2023 1,466  
2024 1,507  
2025 1,550  
2026 59  
Total lease payments 5,902  
Less interest 445  
Total operating lease liabilities $ 5,457 $ 5,070