Shareholders' Equity Shareholders' Equity - Textuals (Details) (USD $)	0 Months Ended	12 Months Ended				12 Months Ended		0 Months Ended		12 Months Ended
	Oct. 31, 2010 stock_option_plan	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Feb. 01, 2014 Stock Options		Apr. 18, 2012 Warrants	Aug. 11, 2008 Warrants	Feb. 01, 2014 Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Preferred stock shares authorized		1,000,000	1,000,000
Preferred stock shares issued		0	0
Treasury stock shares		898,249	898,249
Treasury stock value		$ 8,577,000	$ 8,577,000
Treasury shares repurchased during period		0		0
Warrants to purchase common stock issued (shares)								4,805,304	1,500,000	0	[1]
Exercise price of warrants granted (usd per share)								$ 8.00	$ 23.94	$ 0.00	[1]
Initial common stock reserved under stock option plan (shares)					1,000,000
Automatic increase in common stock authorized under stock option plan (percentage)		1.50%
Current common stock reserved under stock option plan (shares)		1,499,221
Previous number of stock option plans	2
Stock options granted (shares)		785,000				40,000	[2]
Share-based compensation expense		556,000	4,547,000
Weighted average estimated fair values of options granted during period		$ 3.52	$ 6.32
Unrecognized compensation expense related to stock options that will vest during next fiscal period		800,000
Expected weighted-average recognition period		2 years 6 months
Aggregate intrinsic value of options exercised during period		54,000	186,000
Cash received from option exercises during period		$ 62,000	$ 228,000

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