Summary of Significant Accounting Policies - Net Income (Loss) Per Common Share (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 30, 2021	Feb. 01, 2020	Feb. 02, 2019	Oct. 31, 2020
Numerator:
Net (loss) income	$ (13,234)	$ (56,296)	$ (22,157)
Earnings allocated to participating share awards (a)	0	0	0
Net income (loss) attributable to common shares - Basic and diluted	$ (13,234)	$ (56,296)	$ (22,157)
Denominator:
Weighted average number of common shares outstanding - Basic	10,745,916	7,462,380	6,607,321
Dilutive effect of stock options, non-vested shares and warrants (b)	0	0	0
Weighted average number of common shares outstanding - Diluted	10,745,916	7,462,380	6,607,321
Net loss per common share	$ (1.23)	$ (7.54)	$ (3.35)
Net loss per common share - assuming dilution	$ (1.23)	$ (7.54)	$ (3.35)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	591,000	46,000	34,000
Class of Warrant or Right, Exercise Price of Warrants or Rights	$ 0.001			$ 2.66
Incremental Common Shares Attributable to Effect of Fully Paid Warrants	21,000