Shareholders' Equity (Details) - USD ($)		12 Months Ended
	Mar. 18, 2021	Jan. 29, 2022	Jan. 30, 2021	Apr. 15, 2021
Treasury Stock [Abstract]
Treasury stock repurchased (in shares)		0	0
Warrants exercised (in shares)		138,418	100,988	236,993
Proceeds from issuance of warrants		$ 1,384	$ 1,010
Underwritten offering of common stock (in shares)	416,600
Share price (in dollars per share)	$ 32.50	$ 7.56
Gross proceeds of offering	$ 13,500,000
Cash dividends paid		$ 0	$ 0
Employee and Director [Member]
Treasury Stock [Abstract]
Shares issued to directors and employees (in shares)		9,000	9,949
Retired treasury stock (in shares)			1,062