Capitalization (Details 3) (USD $)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Unrecognized stock-based compensation
Compensation expense (in dollars)	$ 1,000,000	$ 600,000	$ 1,800,000
Stock Options
Shares
Outstanding at the beginning of the period (in shares)	973,833	949,444	162,444
Granted (in shares)	293,000	326,000	817,000
Exercised (in shares)	(5,500)	(10,000)
Cancelled/forfeited (in shares)	(186,333)	(291,611)	(300,000)
Outstanding at the end of the period (in shares)	1,075,000	973,833	949,444
Vested and Exercisable at the end of the period (in shares)	539,327
Unvested and not exercisable at the end of the period (in shares)	535,673		647,839
Weighted Average Price
Outstanding at the beginning of the period (in dollars per share)	$ 17.92	$ 18.76	$ 24.63
Granted (in dollars per share)	$ 12.50	$ 16.57	$ 17.50
Exercised (in dollars per share)	$ 13.06	$ 16.08
Cancelled/forfeited (in dollars per share)	$ 18.44	$ 19.23	$ 18.29
Outstanding at the end of the period (in dollars per share)	$ 16.37	$ 17.92	$ 18.76
Vested and Exercisable at the end of the period (in dollars per share)	$ 17.55
Unvested and not exercisable at the end of the period (in dollars per share)	$ 15.18		$ 17.23
Weighted Average Remaining Contractual Term (in years)
Outstanding	4 years 5 months 26 days
Vested and Exercisable at the end of the period	3 years 7 months 10 days
Unvested and not exercisable at the end of the period	4 years 5 months 26 days		5 years 1 month 24 days
Aggregate Intrinsic Value
Outstanding at the end of the period (in dollars)	424,830
Vested and Exercisable at the end of the period (in dollars)	45,711
Unvested and not exercisable at the end of the period (in dollars)	379,119
Fair value
Weighted average grant date fair value of options granted (in dollars per share)	$ 3.23	$ 6.89	$ 4.05
Intrinsic value of options exercised (in dollars)	7,810	16,250	0
Total fair value of vested options (in dollars)	1,100,000	500,000	1,600,000
Unrecognized stock-based compensation
Unrecognized stock-based compensation expense (in dollars)	1,700,000
Weighted average period for recognition of unrecognized stock-based compensation expense	2 years 5 months 26 days
Restricted Stock Awards
Unrecognized stock-based compensation
Unrecognized stock-based compensation expense (in dollars)	80,000
Weighted average period for recognition of unrecognized stock-based compensation expense	2 years 4 months 20 days
Compensation expense (in dollars)	$ 10,000	$ 0	$ 0
Number of Shares
Granted (in shares)	9,000
Forfeited (in shares)	(1,500)
Unvested stock at the end of the period (in shares)	7,500
Weighted Average Grant-Date Fair Value
Granted (in dollars per share)	$ 13.24
Forfeited (in dollars per share)	$ 13.06
Unvested stock at the end of the period (in dollars per share)	$ 13.27