Nature of Operations, Liquidity and Cash Flows (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended
	Mar. 18, 2021	Apr. 30, 2022	May 01, 2021	Jan. 29, 2022
Liquidity and Cash Flows [Abstract]
Net loss		$ (4,428)	$ (1,416)
Accumulated deficit		(125,322)	(114,279)	$ (120,894)
Net cash used in operating activities		(5,820)	(2,513)
Cash and cash equivalents		828	5,030	1,218
Net working capital		16,500
Borrowings		10,508	0	9,966
Underwritten offering of common stock (in shares)	416,600
Share price (in dollars per share)	$ 32.50
Gross proceeds of offering	$ 13,500
Credit Facility [Member]
Liquidity and Cash Flows [Abstract]
Borrowings		10,500	0	$ 10,000
Outstanding letters of credit		0	0
Available borrowings		$ 3,600	$ 10,900