Revenue from Contracts with Customers - Narrative (Detail)	3 Months Ended		9 Months Ended
	Jan. 31, 2021 USD ($)	Feb. 02, 2020 USD ($)	Jan. 31, 2021 USD ($) Segment	Feb. 02, 2020 USD ($)	May 03, 2020 USD ($)
Contract Assets and Liabilities [Line Items]
Number of operating segments | Segment			2
Net sales	$ 79,341,000	$ 68,518,000	$ 220,656,000	$ 208,787,000
Contract assets recognized	$ 0	0	$ 0	0	$ 0
Minimum [Member]
Contract Assets and Liabilities [Line Items]
Contract with customers credit period			15 days
Maximum [Member]
Contract Assets and Liabilities [Line Items]
Contract with customers credit period			60 days
Home Accessories [Member] | Discontinued Operations [Member]
Contract Assets and Liabilities [Line Items]
Net sales		$ 3,900,000		$ 11,500,000