Unaudited Quarterly Results (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Jan. 28, 2012	Oct. 29, 2011	Jul. 30, 2011	Apr. 30, 2011	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Unaudited Quarterly Results
Net revenues	$ 6,008	$ 6,730	$ 6,306	$ 7,514	$ 5,987	$ 6,015	$ 6,658	$ 6,944	$ 26,558	$ 25,604	$ 30,777
Income before income taxes	1,647	3,264	2,639	3,322	2,440	1,758	2,638	3,595	10,872	10,431	12,919
Net income	$ 1,077	$ 2,077	$ 1,608	$ 2,071	$ 1,537	$ 1,049	$ 1,672	$ 3,252	$ 6,833	$ 7,510	$ 7,719
Net income per share-basic (in dollars per share)	$ 0.13	$ 0.25	$ 0.19	$ 0.25	$ 0.18	$ 0.12	$ 0.20	$ 0.38	$ 0.81	$ 0.89	$ 0.87
Net income per share-diluted (in dollars per share)	$ 0.13	$ 0.25	$ 0.19	$ 0.25	$ 0.18	$ 0.12	$ 0.20	$ 0.38	$ 0.81	$ 0.89	$ 0.87