Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended			9 Months Ended
	Nov. 03, 2018	Oct. 28, 2017		Nov. 03, 2018	Oct. 28, 2017
Income Statement [Abstract]
Net sales	$ 154,571	$ 144,979		$ 430,924	$ 409,503
Cost of sales (1)	95,289	87,840	[1]	267,619	248,820	[1]
Cost of sales related to merchandise purchased from related party vendor	12,629	11,668		34,542	32,278
Cost of sales	107,918	99,508		302,161	281,098
Gross profit	46,653	45,471		128,763	128,405
Operating expenses:
Compensation and benefits	29,621	28,072		83,490	80,556
Other operating expenses	18,783	19,427		54,067	54,501
Depreciation (exclusive of depreciation included in cost of sales)	1,867	1,739	[1]	5,405	5,089	[1]
Total operating expenses	50,271	49,238		142,962	140,146
Operating loss	(3,618)	(3,767)		(14,199)	(11,741)
Interest expense	69	69		200	195
Other income	(224)	(229)		(825)	(448)
Loss before income taxes	(3,463)	(3,607)		(13,574)	(11,488)
Income tax benefit	(683)	(1,245)		(3,197)	(3,919)
Net loss	$ (2,780)	$ (2,362)		$ (10,377)	$ (7,569)
Loss per share:
Basic (usd per share)	$ (0.18)	$ (0.15)		$ (0.66)	$ (0.48)
Diluted (usd per share)	$ (0.18)	$ (0.15)		$ (0.66)	$ (0.48)
Weighted average shares outstanding:
Basic (in shares)	15,486	16,013		15,673	15,932
Diluted (in shares)	15,486	16,013		15,673	15,932

[1] Refer to Note 1 for information about a reclassification of supply-chain and store-related depreciation expense to cost of sales.