Income Taxes - Reconciliation between Statutory and Effective Income Tax Rates (Details) - USD ($) $ in Thousands		3 Months Ended							12 Months Ended
		Feb. 03, 2018	Jul. 29, 2017	Apr. 29, 2017	Jan. 28, 2017	Oct. 29, 2016	Jul. 30, 2016	Apr. 30, 2016	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Income Tax Disclosure [Abstract]
Federal income tax at the statutory rate	[1]								$ (7,215)	$ (732)	$ (2,852)
State income and other taxes, net of federal tax benefit									(407)	(1)	(177)
Federal rate change on deferred assets	[2]								22,796
Federal rate change on valuation allowance	[2]								(22,796)
Permanent items									563	225	137
Charge for valuation allowance									7,249	775	3,200
Refundable AMT credit									(2,141)
Other, net									(621)	(101)	(48)
Total provision (benefit)		$ (2,636)	$ 35	$ 29	$ 40	$ 34	$ 35	$ 57	$ (2,572)	$ 166	$ 260

[1] The federal income tax at the statutory rate for fiscal 2017 reflects a blended rate of 33.72%, based on the statutory rate decreasing from 35% to 21% on January 1, 2018

[2] This represents the federal rate change impact as of the end of fiscal 2017. The rate change impact on deferred assets and valuation allowance as a result of the 2017 Tax Act was $22.8 million.