Net Income (Loss) Per Common Share (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended
	May 03, 2014	May 04, 2013
Earnings Per Share [Abstract]
Document Period End Date	May 03, 2014
Net income (loss) (a)	$ 460	$ 1,023
Weighted average number of common shares outstanding — Basic	49,844,253	49,226,515
Dilutive effect of stock options, non-vested shares and warrants (b)	6,496,717	5,427,159
Weighted average number of common shares outstanding — Diluted	56,340,970	54,653,674
Net income (loss) per common share	$ 0.01	$ 0.02
Net income (loss) per common share — assuming dilution	$ 0.01	$ 0.02