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Intangible Assets - Summary of Change in Carrying Amount of Finite-Lived Intangible Assets (Detail) - USD ($)
$ in Thousands
9 Months Ended
Jan. 29, 2023
Jan. 30, 2022
Customer Relationships [Member]    
Finite Lived Intangible Assets [Line Items]    
Beginning balance $ 1,636 $ 1,937
Amortization expense (225) (226)
Ending balance 1,411 1,711
Non-Compete Agreement [Member]    
Finite Lived Intangible Assets [Line Items]    
Beginning balance 452 527
Amortization expense (57) (56)
Ending balance $ 395 $ 471