Nature of Operations, Liquidity and Cash Flows (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended
	Mar. 18, 2021	Oct. 29, 2022	Oct. 30, 2021	Oct. 29, 2022	Oct. 30, 2021	Jan. 29, 2022
Liquidity and Cash Flows [Abstract]
Net loss		$ (3,561)	$ (886)	$ (12,407)	$ (2,221)
Accumulated deficit		(133,301)	(115,084)	(133,301)	(115,084)	$ (120,894)
Net cash used in operating activities				(12,194)	(9,990)
Cash and cash equivalents		769	1,754	769	1,754	1,218
Net working capital		18,000		18,000
Borrowings		9,494	5,858	9,494	5,858	9,966
Underwritten offering of common stock (in shares)	416,600
Share price (in dollars per share)	$ 32.5
Gross proceeds of offering	$ 13,500
Credit Facility [Member]
Liquidity and Cash Flows [Abstract]
Borrowings		9,500	5,900	9,500	5,900	$ 10,000
Outstanding letters of credit		0	0	0	0
Available borrowings		$ 5,200	$ 10,900	$ 5,200	$ 10,900