Intangible Assets - Narrative (Detail) - USD ($)	3 Months Ended		12 Months Ended
	May 03, 2020	Feb. 02, 2020	May 02, 2021	May 03, 2020	Apr. 28, 2019	Apr. 29, 2018
Intangible Assets [Line Items]
Asset impairment charges			$ 0	$ 33,914,000	$ 0
Tradenames	$ 540,000		540,000	540,000	7,232,000	$ 683,000
Gross carrying amount of customer relationships	3,100,000		3,100,000	3,100,000
Gross carrying amount of non-compete agreement	2,000,000.0		2,000,000.0	2,000,000.0
Customer Relationships [Member]
Intangible Assets [Line Items]
Accumulated amortization	877,000		1,200,000	877,000
Remaining amortization expense for the fiscal year			301,000
Remaining amortization expense for the second fiscal year			301,000
Remaining amortization expense for the third fiscal year			301,000
Remaining amortization expense for the fourth fiscal year			301,000
Remaining amortization expense for the fifth fiscal year			301,000
Remaining amortization expense for the fiscal year thereafter			$ 432,000
Weighted average remaining amortization period			6 years 8 months 12 days
Customer Relationships [Member] | Minimum [Member]
Intangible Assets [Line Items]
Useful life			9 years
Customer Relationships [Member] | Maximum [Member]
Intangible Assets [Line Items]
Useful life			17 years
Non-Compete Agreement [Member]
Intangible Assets [Line Items]
Accumulated amortization	1,400,000		$ 1,500,000	1,400,000
Remaining amortization expense for the fiscal year			75,000
Remaining amortization expense for the second fiscal year			76,000
Remaining amortization expense for the third fiscal year			76,000
Remaining amortization expense for the fourth fiscal year			76,000
Remaining amortization expense for the fifth fiscal year			76,000
Remaining amortization expense for the fiscal year thereafter			$ 148,000
Weighted average remaining amortization period			7 years
Prior Acquisition [Member] | Mattress Fabrics [Member] | Non-Compete Agreement [Member]
Intangible Assets [Line Items]
Useful life			15 years
Continuing Operations [Member]
Intangible Assets [Line Items]
Impairment charge				143,000
Continuing Operations [Member] | Read Window Products, LLC [Member]
Intangible Assets [Line Items]
Tradenames					683,000
Impairment charge				143,000
Discontinued Operations [Member]
Intangible Assets [Line Items]
Tradenames					$ 6,600,000
Impairment charge				6,549,000
Discontinued Operations [Member] | eLuxury [Member] | Home Accessories [Member]
Intangible Assets [Line Items]
Impairment charge	$ 4,200,000	$ 2,400,000		$ 6,600,000