Quarterly report pursuant to Section 13 or 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
Apr. 30, 2021
Jan. 31, 2021
Leases [Abstract]    
2022 $ 663  
2023 823  
2024 812  
2025 838  
Total lease payments 3,136  
Less interest 273  
Total operating lease liabilities $ 2,863 $ 5,457