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Income Taxes - Additional Information (Details) - USD ($)	12 Months Ended
	Feb. 03, 2018	Feb. 01, 2020	Feb. 02, 2019
Income Tax [Line Items]
Valuation allowance for deferred tax assets		$ 12,145,000	$ 83,000
Accrued payment of interest and penalties associated with unrecognized tax benefits		0	$ 0
Tax expense due to revaluation from the Tax Cuts and Jobs Act	$ 419,000
UNITED STATES
Income Tax [Line Items]
Operating loss carryforwards		30,000,000
State and Local
Income Tax [Line Items]
Operating loss carryforwards		21,400,000
State tax credit carryforwards		$ 187,000

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Income Tax [Line Items]

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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-Publisher FASB
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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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Amount of reasonable estimate for income tax expense (benefit) for which accounting for tax effect is incomplete pursuant to Tax Cuts and Jobs Act.

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-Publisher FASB
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-Topic 740
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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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