Capitalization - Activity In Stock Options (Details) - Stock Options - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Jan. 28, 2017	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Shares
Outstanding at the beginning of the period (in shares)	1,113,003	1,185,767	1,156,834
Granted (in shares)	142,000	335,000	188,000
Exercised (in shares)	0	(261,097)	(125,065)
Canceled/forfeited (in shares)	(162,501)	(146,667)	(34,002)
Outstanding at the end of the period (in shares)	1,092,502	1,113,003	1,185,767	1,156,834
Vested and Exercisable at the end of the period (in shares)	675,824
Weighted Average Price
Outstanding at the beginning of the period (in dollars per share)	$ 17.50	$ 15.89	$ 16.02
Granted (in dollars per share)	11.29	22.79	13.82
Exercised (in dollars per share)	0.00	17.06	14.83
Canceled/forfeited (in dollars per share)	18.22	17.33	12.58
Outstanding at the end of the period (in dollars per share)	16.59	$ 17.50	$ 15.89	$ 16.02
Vested and Exercisable at the end of the period (in dollars per share)	$ 15.90
Weighted Average Remaining Contractual Term (in years)
Outstanding	3 years 7 months 28 days	4 years 22 days	3 years 5 months 27 days	3 years 10 months 6 days
Vested and Exercisable at the end of the period	2 years 10 months 28 days
Aggregate Intrinsic Value
Outstanding at the end of the period (in dollars)		$ 1,339	$ 2,910	$ 436
Fair value
Weighted average grant date fair value of options granted (in dollars per share)	$ 3.82	$ 6.35	$ 3.49
Intrinsic value of options exercised (in dollars)	$ 0	$ 1,731	$ 411
Unrecognized stock-based compensation
Unrecognized stock-based compensation expense (in dollars)	$ 1,500
Weighted average period for recognition of unrecognized stock-based compensation expense	1 year 9 months 18 days
Total fair value of vested options (in dollars)	$ 1,300	$ 700	$ 700