Restructuring Costs - Schedule of Activity Under the Restructuring Program (Details) - USD ($)	3 Months Ended			9 Months Ended
	Oct. 30, 2021	Oct. 31, 2020	May 02, 2020	Oct. 30, 2021	Oct. 31, 2020
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance				$ 47,000
Restructuring charges	$ 634,000	$ 55,000	$ 209,000	634,000	$ 264,000
Cash Payments				(47,000)
Restructuring Reserve, Ending Balance	634,000			634,000
Severance [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance				42,000
Restructuring charges				634,000
Cash Payments				(42,000)
Restructuring Reserve, Ending Balance	634,000			634,000
Other Incremental Costs [Member]
Restructuring Reserve [Roll Forward]
Restructuring Reserve, Beginning Balance				5,000
Cash Payments				(5,000)
Restructuring Reserve, Ending Balance	$ 0			$ 0