Intangible Assets - Summary of Change in Carrying Amount of Finite-Lived Intangible Assets (Detail) - USD ($) $ in Thousands	3 Months Ended
	Jul. 30, 2023	Jul. 31, 2022
Customer Relationships [Member]
Finite Lived Intangible Assets [Line Items]
Beginning balance, net	$ 1,335	$ 1,636
Amortization expense	(75)	(75)
Ending balance, net	1,260	1,561
Non-Compete Agreement [Member]
Finite Lived Intangible Assets [Line Items]
Beginning balance, net	377	452
Amortization expense	(19)	(19)
Ending balance, net	$ 358	$ 433