Shareholders' Equity (Details)			12 Months Ended
	Aug. 15, 2019 shares	Aug. 14, 2019 shares	Jan. 30, 2021 USD ($) shares	Feb. 01, 2020 USD ($) shares
Treasury Stock [Abstract]
Treasury stock repurchased (in shares)			0	0
Reverse stock split ratio	0.05			0.05
Common stock, shares issued (in shares)	1,814,581	36,291,620
Cash dividends paid | $			$ 0	$ 0
Warrants exercised (in shares)			100,988
Proceeds from issuance of warrants | $			$ 1,010
Employee and Director [Member]
Treasury Stock [Abstract]
Shares issued to directors and employees (in shares)			9,949
Retired treasury stock (in shares)			1,062