Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Cash flows from operating activities
Net income	$ 7,541	$ 14,075	$ 18,137
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	22,808	21,237	19,367
Stock-based compensation expense	3,926	3,499	3,106
Impairment of assets	2,593	1,007	1,840
Loss on disposal of assets	304	118	140
Gain on sales and maturities of marketable securities	(100)	(116)	(176)
Deferred income taxes	1,554	1,150	(304)
Excess tax benefit from stock-based compensation	(95)	(22)	(157)
Changes in operating assets and liabilities:
Receivables	(715)	3,863	(2,611)
Merchandise inventories	150	(5,241)	329
Prepaid expenses and other assets	(293)	(255)	(1,253)
Accounts payable	(6,993)	3,720	1,554
Accrued expenses	6,179	3,662	(1,796)
Accrued compensation and benefits	(160)	936	(1,119)
Deferred rent	(948)	(206)	5,976
Deferred revenue	1,099	861	761
Net cash provided by operating activities	36,850	48,288	43,794
Cash flows from investing activities
Purchase of property and equipment	(23,100)	(23,636)	(42,701)
Proceeds from sale of property and equipment	7	41	79
Purchases of marketable securities	(74,873)	(59,884)	(44,908)
Maturities of marketable securities	60,000	60,000	50,000
Net cash used in investing activities	(37,966)	(23,479)	(37,530)
Cash flows from financing activities
Proceeds from exercise of stock options	3,094	304	2,389
Payment of capital lease obligation	(807)	(758)	(712)
Taxes paid in lieu of shares issued for stock-based compensation	(35)	0	0
Excess tax benefit from stock-based compensation	95	22	157
Net cash provided by (used in) financing activities	2,347	(432)	1,834
Change in cash and cash equivalents	1,231	24,377	8,098
Cash and cash equivalents, beginning of period	49,789	25,412	17,314
Cash and cash equivalents, end of period	51,020	49,789	25,412
Supplemental disclosures of cash flow information
Interest paid	133	182	253
Income taxes paid	7,473	4,511	14,969
Supplemental disclosure of non-cash activities
Unpaid purchases of property and equipment	$ 1,817	$ 1,513	$ 2,348