Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment [Member]	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Deficit [Member]	Accumulated Deficit [Member] Cumulative Effect, Period of Adoption, Adjustment [Member]	Accumulated Other Comprehensive Loss [Member]
Beginning Balance at Feb. 02, 2019	$ 99,246		$ 116	$ 1,135,401	$ (1,036,188)		$ (83)
Beginning Balance, shares at Feb. 02, 2019			11,622,994
Comprehensive income:
Net income (loss)	30,396				30,396
Foreign currency translation adjustments	(20)						(20)
Cumulative effect of accounting change from adoption of ASU 2016-02 | ASU 2016-02 [Member]		$ (589)				$ (589)
Share-based compensation expense	2,033			2,033
Restricted stock unit vestings	1		$ 1
Restricted stock unit vestings, shares			79,918
Tax withholdings related to restricted stock vesting	(321)			(321)
Tax withholdings related to restricted stock vesting, shares			(24,509)
Issuance of common stock related to Employee Stock Purchase Plan ("ESPP")	34			34
Issuance of common stock related to Employee Stock Purchase Plan ("ESPP"), shares			2,190
Ending Balance at Feb. 01, 2020	$ 130,780		$ 117	1,137,147	(1,006,381)		(103)
Ending Balance, shares at Feb. 01, 2020	11,680,593		11,680,593
Comprehensive income:
Net income (loss)	$ (65,649)				(65,649)
Foreign currency translation adjustments	(25)						(25)
Share-based compensation expense	1,275			1,275
Restricted stock unit vestings			$ 1	(1)
Restricted stock unit vestings, shares			161,065
Tax withholdings related to restricted stock vesting	(222)			(222)
Tax withholdings related to restricted stock vesting, shares			(41,659)
Issuance of common stock related to Employee Stock Purchase Plan ("ESPP")	48			48
Issuance of common stock related to Employee Stock Purchase Plan ("ESPP"), shares			9,024
Ending Balance at Jan. 30, 2021	$ 66,207		$ 118	$ 1,138,247	$ (1,072,030)		$ (128)
Ending Balance, shares at Jan. 30, 2021	11,809,023		11,809,023