Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Statement of Comprehensive Income [Abstract]
Net income	$ 7,541	$ 14,075	$ 18,137
Other comprehensive income, net of tax:
Net change in unrealized gains (losses) on available-for-sale securities	1	9	(5)
Other comprehensive income (loss), net of tax	1	9	(5)
Comprehensive income	$ 7,542	$ 14,084	$ 18,132