Quarterly Financial Data (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May. 02, 2015	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May. 03, 2014	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Net sales	$ 94,569	$ 103,641	$ 93,997	$ 91,621	$ 97,975	$ 110,610	$ 106,633	$ 103,366	$ 383,828	$ 418,584	$ 435,754
Operating income (loss)	(7,393)	335	(1,710)	(2,496)	(5,971)	9,344	3,250	2,792	(11,264)	9,415	8,876
Net (loss) income	$ (46,627)	$ (315)	$ (710)	$ (1,442)	$ 32,164	$ 8,983	$ 3,362	$ 2,616	$ (49,094)	$ 47,126	$ 8,690
Net (loss) income per share data:
Basic	$ (1.26)	$ (0.01)	$ (0.02)	$ (0.04)	$ 0.87	$ 0.24	$ 0.09	$ 0.07	$ (1.33)	$ 1.28	$ 0.24
Diluted	$ (1.26)	$ (0.01)	$ (0.02)	$ (0.04)	$ 0.86	$ 0.24	$ 0.09	$ 0.07	$ (1.33)	$ 1.24	$ 0.23
Merchandise Buying And Occupancy Expenses [Member] | Calculation of Deferred Rent Expense [Member]
Net (loss) income per share data:
Quantifying Misstatement In Prior Year Financial Statements Amount										$ 3,600
Net Income (Loss) [Member] | Calculation of Deferred Rent Expense [Member]
Net (loss) income per share data:
Quantifying Misstatement In Prior Year Financial Statements Amount					$ 2,200					2,200
Operating Income (Loss) [Member] | Calculation of Deferred Rent Expense [Member]
Net (loss) income per share data:
Quantifying Misstatement In Prior Year Financial Statements Amount					$ 3,600					$ 3,600