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Leases - Supplemental cash flow information (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 31, 2025
Nov. 02, 2024
Oct. 31, 2025
Nov. 02, 2024
Cash paid for amounts included in the measurement of lease liabilities [Abstract]        
Cash paid for operating lease liabilities $ 181 $ 81 $ 490 $ 255