Commitments and Contingencies - Narrative (Detail) - USD ($)	Jan. 31, 2021	May 03, 2020		Feb. 02, 2020
Commitments and Contingencies Disclosure [Line Items]
Accounts payable for capital expenditures, net	$ 240,000	$ 107,000		$ 177,000
Accounts payable for capital expenditures	240,000	$ 107,000	[1]	175,000
Mattress Fabrics [Member] | Capital Addition Purchase Commitments [Member]
Commitments and Contingencies Disclosure [Line Items]
Open purchase commitments for equipment	$ 3,700,000
Accounts Payable – Capital Expenditures [Member]
Commitments and Contingencies Disclosure [Line Items]
Accounts payable for capital expenditures				175,000
Current Liabilities - Discontinued Operation [Member]
Commitments and Contingencies Disclosure [Line Items]
Accounts payable for capital expenditures				$ 2,000

[1] Derived from audited financial statements.