CONSOLIDATED STATEMENTS OF NET (LOSS) INCOME - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	May 03, 2020	Feb. 02, 2020	Nov. 03, 2019	Aug. 04, 2019	Apr. 28, 2019	Jan. 27, 2019	Oct. 28, 2018	Jul. 29, 2018	May 03, 2020		Apr. 28, 2019	Apr. 29, 2018
Income Statement [Abstract]
net sales	$ 47,378	$ 68,518	$ 69,550	$ 70,719	$ 67,023	$ 73,127	$ 72,275	$ 68,898	$ 256,166		$ 281,325	$ 323,725
cost of sales	(44,333)	(56,998)	(56,024)	(58,307)	(55,828)	(60,054)	(60,666)	(58,998)	(215,668)		(235,556)	(259,092)
gross profit from continuing operations	3,045	11,520	13,526	12,412	11,195	13,073	11,609	9,900	40,498		45,769	64,633
selling, general and administrative expenses	(7,327)	(8,831)	(9,117)	(9,149)	(8,758)	(8,677)	(8,409)	(7,397)	(34,424)		(33,243)	(37,172)
asset impairments	(13,712)								(13,712)	[1]
restructuring credit		35		35		214	1,061	(451)	70		825
(loss) income from continuing operations	(17,994)	2,724	4,409	3,298	2,437	4,610	4,261	2,052	(7,568)		13,351	27,461
interest expense	(84)		(21)				(14)	(17)	(106)		(35)	(94)
interest income	121	258	258	260	221	259	155	150	897		789	534
other expense	(426)	(282)	(99)	(95)	(670)	(294)	(164)	(254)	(902)		(1,383)	(1,018)
(loss) income before income taxes from continuing operations	(18,383)	2,700	4,547	3,463	1,988	4,575	4,238	1,931	(7,679)		12,722	26,883
income tax (expense) benefit	(704)	973	(1,930)	(1,692)	(3,091)	(1,274)	(1,270)	(906)	(3,354)		(6,537)	(5,740)
(loss) income from investment in unconsolidated joint venture	(65)	(56)	(16)	13	(5)	23	(55)	(77)	(125)		(114)	(266)
net (loss) income from continuing operations	(19,152)	3,617	2,601	1,784	(1,108)	3,324	2,913	948	(11,158)		6,071	20,877
(loss) income before income taxes from discontinued operation	(8,698)	(7,824)	(441)	(621)	(477)	(313)	37	17	(17,577)		(726)
income tax benefit (expense)	25		32	11	74	49	(6)		68		113
net (loss) income from discontinued operation	(8,673)	(7,824)	(409)	(610)	(403)	(264)	31	17	(17,509)		(613)
net (loss) income	$ (27,825)	$ (4,207)	$ 2,192	$ 1,174	$ (1,511)	$ 3,060	$ 2,944	$ 965	$ (28,667)		$ 5,458	$ 20,877
net (loss) income from continuing operations per share-basic	$ (1.56)	$ 0.29	$ 0.21	$ 0.14	$ (0.09)	$ 0.27	$ 0.23	$ 0.08	$ (0.90)		$ 0.49	$ 1.68
net (loss) income from continuing operations per share-diluted	(1.56)	0.29	0.21	0.14	(0.09)	0.27	0.23	0.08	(0.90)		0.48	1.65
net (loss) income from discontinued operation per share - basic	(0.71)	(0.63)	(0.03)	(0.05)	(0.03)	(0.02)			(1.41)		(0.05)
net (loss) income from discontinued operation - diluted	(0.71)	(0.63)	(0.03)	(0.05)	(0.03)	(0.02)			(1.41)		(0.05)
net (loss) income from per share-basic	(2.26)	(0.34)	0.18	0.09	(0.12)	0.25	0.24	0.08	(2.32)		0.44	1.68
net (loss) income per share-diluted	$ (2.26)	$ (0.34)	$ 0.18	$ 0.09	$ (0.12)	$ 0.25	$ 0.24	$ 0.08	$ (2.32)		$ 0.43	$ 1.65

[1] During fiscal 2020, we incurred asset impairment charges totaling $13.7 million, of which $13.6 million and $143,000 were associated with goodwill and a tradename associated Read, respectively. Of this $13.7 million, $11.5 million and $2.2 million pertained to the mattress fabrics segment and upholstery fabrics segment, respectively.