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Leases - Schedule Of Balance Sheet And Other Information Related To Operating Leases (Detail) - USD ($)
$ in Thousands
Oct. 31, 2020
Jan. 31, 2020
Operating Leases [Abstract]    
Right of Use Assets $ 1,436 $ 1,661
Other Liabilities and Accrued Expenses 376 416
Lease Liabilities $ 1,105 $ 1,279