Income Taxes - Schedule of reconciliation of income tax expense (benefit) at the statutory federal income tax rate (Details) - USD ($)	3 Months Ended	9 Months Ended
Oct. 29, 2022	Oct. 30, 2021	Oct. 29, 2022	Oct. 30, 2021
Income Tax Disclosure [Abstract]
Tax at federal statutory rate	$ (1,530,000)	$ 1,896,000	$ (8,515,000)	$ 2,373,000
State income taxes, net of federal benefit	(223,000)	300,000	(689,000)	366,000
Tax credits	(17,000)	(29,000)	(109,000)	(35,000)
Executive compensation	(15,000)	65,000	101,000	80,000
Stock based compensation programs	(43,000)	(50,000)	(596,000)	(567,000)
Valuation allowance	1,843,000	(409,000)	10,150,000	(519,000)
Other	8,000	27,000	13,000	28,000
Income Tax Expense (Benefit), Total	$ 57,000	$ 1,800,000	$ 355,000	$ 1,726,000

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Amount of difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operation, attributable to expense for award under share-based payment arrangement. Excludes expense determined to be nondeductible upon grant or after for award under share-based payment arrangement.

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

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