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Income Taxes (Reconciliation of Income Tax Expense to Amount Computed at Federal Statutory Rate) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2022	Jan. 31, 2021
Income Taxes [Abstract]
Federal taxes at statutory rate	$ 8,314	$ 3,824
State and local income taxes, net of federal benefit	1,692	786
Research and development tax credits	(226)	(151)
Other	107	178
Total income tax expense	$ 9,887	$ 4,637
Federal taxes at statutory rate	21.00%	21.00%
State and local income taxes, net of federal benefit	4.30%	4.30%
Research and development tax credits	(0.60%)	(0.80%)
Other	0.30%	1.00%
Total income tax expense	25.00%	25.50%

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

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