Income Taxes - Additional Information (Details) - USD ($)	3 Months Ended		12 Months Ended
	May 01, 2021	May 02, 2020	Jan. 30, 2021
Income Taxes [Line Items]
Provision for income taxes	$ 28,000	$ 20,000
U.S. federal corporate tax rate	21.00%
Federal net operating loss carry forwards expiration period minimum			2022
Federal net operating loss carry forwards expiration period maximum			2037
Federal
Income Taxes [Line Items]
Net operating loss carryforwards subject to expiration			$ 158,200,000
Net operating loss carryforwards not subject to expiration			43,100,000
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards			$ 111,300,000
State and Local Jurisdiction | Minimum
Income Taxes [Line Items]
Net operating loss carryforwards expiration year			2021
State and Local Jurisdiction | Maximum
Income Taxes [Line Items]
Net operating loss carryforwards expiration year			2041