(Loss) Earnings Per Share (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 29, 2017	Jul. 30, 2016	Jul. 29, 2017	Jul. 30, 2016
Numerator:
Net income (loss)-numerator for net income (loss) per common share and net income (loss) per common share assuming dilution	$ (4,625)	$ 1,518	$ (7,884)	$ 4,099
Denominator:
Denominator for net income (loss) per common share — weighted average shares	12,986	8,723	12,970	8,722
Effect of dilutive securities-stock options (in shares)		23		67
Adjusted weighted average shares and assumed exercises	12,986	8,746	12,970	8,789
Anti-dilutive shares
Number of anti-dilutive shares	1,890	1,014	1,824	702