Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Income Statement [Abstract]
Net sales	$ 131,683	$ 123,017	$ 264,524	$ 252,928
Cost of sales	75,684	71,981	151,295	143,650
Cost of sales related to merchandise purchased from related party vendor	11,004	8,763	20,610	17,468
Cost of sales (exclusive of depreciation as shown below)	86,688	80,744	171,905	161,118
Gross profit	44,995	42,273	92,619	91,810
Operating expenses:
Compensation and benefits	25,974	24,930	52,484	50,457
Other operating expenses	18,079	16,943	35,074	33,456
Depreciation	6,638	6,295	13,035	12,268
Total operating expenses	50,691	48,168	100,593	96,181
Operating loss	(5,696)	(5,895)	(7,974)	(4,371)
Interest expense	65	66	126	139
Other income, net	(133)	(52)	(219)	(111)
Loss before income taxes	(5,628)	(5,909)	(7,881)	(4,399)
Income tax benefit	(1,856)	(2,342)	(2,674)	(1,748)
Net loss	$ (3,772)	$ (3,567)	$ (5,207)	$ (2,651)
Loss per share:
Basic (usd per share)	$ (0.24)	$ (0.22)	$ (0.33)	$ (0.17)
Diluted (usd per share)	$ (0.24)	$ (0.22)	$ (0.33)	$ (0.17)
Weighted average shares outstanding:
Basic (in shares)	15,974	15,854	15,943	15,817
Diluted (in shares)	15,974	15,854	15,943	15,817