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Intangible Assets - Summary of Intangible Assets (Detail) - USD ($)
$ in Thousands
Apr. 30, 2023
May 01, 2022
May 02, 2021
May 03, 2020
Intangible Assets [Line Items]        
Tradename $ 540 $ 540    
Intangible assets 2,252 2,628    
Customer Relationships [Member]        
Intangible Assets [Line Items]        
Finite-lived intangible assets, net 1,335 1,636 $ 1,937 $ 2,238
Non-Compete Agreement [Member]        
Intangible Assets [Line Items]        
Finite-lived intangible assets, net $ 377 $ 452 $ 527 $ 602