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Commitments and Contingencies - Narrative (Detail) - USD ($)
Jan. 28, 2024
Apr. 30, 2023
[1]
Jan. 29, 2023
Commitments and Contingencies Disclosure [Line Items]      
Accounts payable for capital expenditures $ 19,000 $ 56,000 $ 25,000
Mattress Fabrics [Member] | Capital Addition Purchase Commitments [Member]      
Commitments and Contingencies Disclosure [Line Items]      
Open purchase commitments for equipment $ 880,000    
[1] Derived from audited consolidated financial statements.