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Leases - Schedule Of Balance Sheet And Other Information Related To Operating Leases (Detail) - USD ($)
$ in Thousands
Jul. 31, 2021
Jan. 31, 2021
Operating Leases [Abstract]    
Right of Use Assets $ 1,209 $ 1,389
Other Accrued Expenses 351 372
Lease Liabilities $ 907 $ 1,065