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Leases - Supplemental cash flow information (Detail) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2025
Aug. 03, 2024
Jul. 31, 2025
Aug. 03, 2024
Cash paid for amounts included in the measurement of lease liabilities [Abstract]        
Cash paid for operating lease liabilities $ 165 $ 88 $ 309 $ 174