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CONSOLIDATED STATEMENTS OF NET INCOME (LOSS) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Nov. 01, 2020	Nov. 03, 2019	Nov. 01, 2020	Nov. 03, 2019
Income Statement [Abstract]
Net sales	$ 76,851	$ 69,550	$ 141,315	$ 140,269
Cost of sales	(62,590)	(56,024)	(117,153)	(114,331)
Gross profit from continuing operations	14,261	13,526	24,162	25,938
Selling, general and administrative expenses	(9,743)	(9,117)	(17,761)	(18,266)
Restructuring credit				35
Income from continuing operations	4,518	4,409	6,401	7,707
Interest expense		(21)	(51)	(21)
Interest income	59	258	117	518
Other expense	(680)	(99)	(1,046)	(194)
Income before income taxes from continuing operations	3,897	4,547	5,421	8,010
Income tax expense	(1,613)	(2,279)	(5,937)	(3,971)
Income (loss) from investment in unconsolidated joint venture	100	(16)	167	(3)
Net (loss) income from continuing operations	2,384	2,252	(349)	4,036
Loss before income taxes from discontinued operation		(441)		(1,062)
Income tax benefit		381		392
Net loss from discontinued operation		(60)		(670)
Net (loss) income	$ 2,384	$ 2,192	$ (349)	$ 3,366
Net (loss) income from continuing operations per share - basic	$ 0.19	$ 0.18	$ (0.03)	$ 0.33
Net (loss) income from continuing operations per share - diluted	0.19	0.18	(0.03)	0.33
Net loss from discontinued operation per share - basic		0.00		(0.05)
Net loss from discontinued operation per share - diluted		0.00		(0.05)
Net (loss) income per share - basic	0.19	0.18	(0.03)	0.27
Net (loss) income per share - diluted	$ 0.19	$ 0.18	$ (0.03)	$ 0.27
Average shares outstanding, basic	12,298	12,408	12,293	12,403
Average shares outstanding, diluted	12,324	12,408	12,293	12,413

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