CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Retained Earnings	Total
Balance at Jan. 31, 2015	$ 171	$ 24,024	$ 5,642	$ 29,837
Balance (in shares) at Jan. 31, 2015	8,558
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		2,222		2,222
Tax effect from stock option exercises		(75)		(75)
Stock option exercises and equity issuances, net of tax	$ 3	1,651		1,654
Stock option exercises and equity issuances, net of tax (in shares)	162
Net (loss) income			8,433	8,433
Balance at Jan. 30, 2016	$ 174	27,822	14,075	42,071
Balance (in shares) at Jan. 30, 2016	8,720
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		2,380		2,380
Tax effect from stock option exercises		(401)		(401)
Equity offering	$ 85	36,975		37,060
Equity offering (in shares)	4,237
Stock option exercises and equity issuances, net of tax	$ 1	(171)		(170)
Stock option exercises and equity issuances, net of tax (in shares)	54
Stock warrants		7		7
Retirement of common stock	$ (1)		(734)	(735)
Retirement of common stock (in shares)	(60)
Net (loss) income			(7,894)	(7,894)
Balance at Jan. 28, 2017	$ 259	66,612	5,447	72,318
Balance (in shares) at Jan. 28, 2017	12,951
Increase (Decrease) in Stockholders' Equity
Stock-based compensation		2,492		2,492
Stock option exercises and equity issuances, net of tax	$ 21	3,917		3,938
Stock option exercises and equity issuances, net of tax (in shares)	1,046
Stock warrants		1,356		1,356
Net (loss) income			(55,989)	(55,989)
Balance at Feb. 03, 2018	$ 280	$ 74,377	$ (50,542)	$ 24,115
Balance (in shares) at Feb. 03, 2018	13,997