Income Taxes - Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands		May 01, 2022	May 02, 2021	May 03, 2020	Apr. 28, 2019
deferred tax assets:
accounts receivable		$ 227	$ 362
inventories		2,020	2,019
compensation		2,437	3,284
liabilities and other		28	23
intangible assets and goodwill		536	690
property, plant, and equipment	[1]	199	202
operating lease liability		1,297	836
foreign income tax credits - U.S.		783	783
loss carryforwards – U.S.		8,373	7,533
valuation allowance - U.S.		(11,857)	(11,674)	$ (3,148)	$ (748)
total deferred tax assets		4,043	4,058
deferred tax liabilities:
undistributed earnings on foreign subsidiaries		(3,586)	(3,521)
unrecognized tax benefits – U.S.			(380)
property, plant and equipment	[2]	(4,292)	(3,968)
right of use assets		(1,520)	(855)
other		(121)	(119)
total deferred tax liabilities		(9,519)	(8,843)
Net deferred liabilities		$ (5,476)	$ (4,785)

[1] Pertains to the company’s operations located in China.

[2] Pertains to the company’s operations located in the U.S. and Canada.