Intangible Assets, Changes in Net Intangibles and Goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	Oct. 30, 2021	Oct. 31, 2020
Amortized Intangible Assets [Roll Forward]
Amortized intangible assets, Beginning balance			$ 732
Impairment Expense			0
Amortization Expense	$ 218	$ 257	732	$ 771
Amortized intangible assets, Ending balance	0	989	0	989
Technology [Member]
Amortized Intangible Assets [Roll Forward]
Amortized intangible assets, Beginning balance			259
Impairment Expense			0
Amortization Expense	65	97	259	291
Amortized intangible assets, Ending balance	0		0
Trade Names and Trademarks [Member]
Amortized Intangible Assets [Roll Forward]
Amortized intangible assets, Beginning balance			473
Impairment Expense			0
Amortization Expense	153	$ 160	473	$ 480
Amortized intangible assets, Ending balance	$ 0		$ 0