Consolidated Statements of Shareholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Accumulated Deficit
Beginning balance at Jan. 31, 2009	$ 52,351	$ 141,810	$ (89,459)
Beginning balance, shares at Jan. 31, 2009		19,653,270
Exercise of stock options and employee stock purchases, shares		95,878
Exercise of stock options and employee stock purchases	241	241
Stock-based compensation expense	1,323	1,323
Net income	34,570		34,570
Ending balance at Jan. 30, 2010	88,485	143,374	(54,889)
Ending balance, shares at Jan. 30, 2010		19,749,148
Exercise of stock options and employee stock purchases, shares		272,734
Exercise of stock options and employee stock purchases	628	628
Tax benefit from exercise of stock options and vesting of restricted stock	317	317
Net share settlement of stock options and restricted stock, shares		(110,919)
Net share settlement of stock options and restricted stock	(239)	(239)
Stock-based compensation expense	2,667	2,667
Net income	26,431		26,431
Ending balance at Jan. 29, 2011	118,289	146,747	(28,458)
Ending balance, shares at Jan. 29, 2011		19,910,963
Exercise of stock options and employee stock purchases, shares		190,638
Exercise of stock options and employee stock purchases	488	488
Tax benefit from exercise of stock options and vesting of restricted stock	1,177	1,177
Net share settlement of stock options and restricted stock, shares		(116,506)
Net share settlement of stock options and restricted stock	(1,142)	(1,142)
Restricted stock issued, shares		408,439
Stock-based compensation expense	3,113	3,113
Repurchase and retirement of common stock, shares		(2,032,795)
Repurchase and retirement of common stock	(23,378)	(31)	(23,347)
Net income	19,115		19,115
Ending balance at Jan. 28, 2012	$ 117,662	$ 150,352	$ (32,690)
Ending balance, shares at Jan. 28, 2012		18,360,739