Nature of Operations and Summary of Significant Accounting Policies, Liquidity (Details) - USD ($) $ in Thousands	3 Months Ended											12 Months Ended
	Feb. 01, 2020		Nov. 02, 2019	[2]	Aug. 03, 2019	May 04, 2019	Feb. 02, 2019		Nov. 03, 2018	Aug. 04, 2018	May 05, 2018	Feb. 01, 2020	Feb. 02, 2019
Liquidity [Abstract]
Net loss	$ (19,659)	[1]	$ (23,155)		$ (8,128)	$ (7,802)	$ (65,673)	[3]	$ (14,052)	$ (9,510)	$ (8,147)	$ (58,744)	$ (97,382)
Accumulated deficit	(108,971)						(50,227)					(108,971)	(50,227)
Net cash used in operating activities												(15,827)	(25,518)
Cash and cash equivalents	2,977						4,355					2,977	4,355
Net working capital	22,100						65,900					22,100	65,900
Outstanding borrowings	13,149						0					13,149	0
Outstanding letters of credit	0						0					0	0
Credit Facility [Member]
Liquidity [Abstract]
Outstanding borrowings	13,149						0					13,149	0
Peak borrowings	35,900						35,700					35,900	35,700
Outstanding letters of credit	0						0					0	0
Available borrowings	$ 12,000						$ 41,000					$ 12,000	$ 41,000

[1] Includes $8.0 million impairment of fixed assets and intangibles.

[2] Includes $16.0 million impairment of fixed assets.

[3] Includes $59.1 million impairment of fixed assets, intangibles and goodwill.