Intangible Assets - Narrative (Detail) - USD ($)		3 Months Ended		12 Months Ended
	Apr. 01, 2018	May 03, 2020	Feb. 02, 2020	May 03, 2020	Apr. 28, 2019	Apr. 29, 2018	Apr. 30, 2017
Intangible Assets [Line Items]
Tradenames		$ 540,000		$ 540,000	$ 7,232,000	$ 683,000	$ 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		2,000,000	2,000,000
Customer Relationships [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, net		2,238,000		2,238,000	2,538,000	2,839,000	664,000
Accumulated amortization		877,000		877,000	577,000
Remaining amortization expense for the fiscal year		301,000		301,000
Remaining amortization expense for the second fiscal year		301,000		301,000
Remaining amortization expense for the third fiscal year		301,000		301,000
Remaining amortization expense for the fourth fiscal year		301,000		301,000
Remaining amortization expense for the fifth fiscal year		301,000		301,000
Remaining amortization expense for the fiscal year thereafter		733,000		$ 733,000
Weighted average remaining amortization period				7 years 7 months 6 days
Non-Compete Agreement [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, net		602,000		$ 602,000	678,000	$ 753,000	$ 828,000
Accumulated amortization		1,400,000		1,400,000	1,400,000
Remaining amortization expense for the fiscal year		75,000		75,000
Remaining amortization expense for the second fiscal year		75,000		75,000
Remaining amortization expense for the third fiscal year		75,000		75,000
Remaining amortization expense for the fourth fiscal year		75,000		75,000
Remaining amortization expense for the fifth fiscal year		75,000		75,000
Remaining amortization expense for the fiscal year thereafter		227,000		$ 227,000
Weighted average remaining amortization period				8 years
Read Window Products, LLC [Member] | Customer Relationships [Member]
Intangible Assets [Line Items]
Customer relationships	$ 2,247,000
Finite-lived intangible assets, useful life	9 years			9 years
Prior Acquisition [Member] | Mattress Fabrics [Member] | Customer Relationships [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, useful life				17 years
Finite-lived intangible assets, net		510,000		$ 510,000
Prior Acquisition [Member] | Mattress Fabrics [Member] | Non-Compete Agreement [Member]
Intangible Assets [Line Items]
Finite-lived intangible assets, useful life				15 years
Continuing Operation [Member]
Intangible Assets [Line Items]
Impairment charge				$ 143,000
Continuing Operation [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