Consolidated Statements of Cash Flows	12 Months Ended
	Feb. 01, 2020 USD ($)	Feb. 02, 2019 USD ($)	Feb. 03, 2018 USD ($)
Cash flows from operating activities
Net income	$ 22,622,000	$ 24,943,000	$ 14,700,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	20,948,000	22,485,000	23,389,000
Share-based compensation expense	2,136,000	2,212,000	2,411,000
Impairment of assets	282,000	786,000	848,000
Loss on disposal of assets	908,000	30,000	192,000
Gain on sales and maturities of marketable securities	(1,660,000)	(1,552,000)	(782,000)
Deferred income taxes	(5,720,000)	953,000	2,933,000
Changes in operating assets and liabilities:
Receivables	3,204,000	(1,730,000)	(363,000)
Merchandise inventories	(1,092,000)	(2,783,000)	(5,448,000)
Prepaid expenses and other assets	557,000	(1,641,000)	(562,000)
Accounts payable	(4,227,000)	3,195,000	3,559,000
Accrued expenses	1,369,000	(4,438,000)	(2,732,000)
Accrued compensation and benefits	(1,740,000)	2,811,000	(1,140,000)
Operating lease liabilities	(2,541,000)	0	0
Deferred rent	0	(195,000)	(4,973,000)
Deferred revenue	1,388,000	1,667,000	676,000
Net cash provided by operating activities	36,434,000	46,743,000	32,708,000
Cash flows from investing activities
Purchase of property and equipment	(14,299,000)	(14,923,000)	(13,753,000)
Proceeds from sale of property and equipment	0	3,000	0
Purchases of marketable securities	(126,526,000)	(136,198,000)	(152,389,000)
Proceeds from sales and maturities of marketable securities	134,316,000	144,859,000	125,264,000
Net cash used in investing activities	(6,509,000)	(6,259,000)	(40,878,000)
Cash flows from financing activities
Dividends paid	(29,453,000)	(29,067,000)	(20,080,000)
Proceeds from exercise of stock options	1,590,000	3,652,000	3,394,000
Payment of capital lease obligation	0	0	(835,000)
Taxes paid in lieu of shares issued for share-based compensation	(85,000)	(111,000)	(101,000)
Net cash used in financing activities	(27,948,000)	(25,526,000)	(17,622,000)
Change in cash and cash equivalents	1,977,000	14,958,000	(25,792,000)
Cash and cash equivalents, beginning of period	68,160,000	53,202,000	78,994,000
Cash and cash equivalents, end of period	70,137,000	68,160,000	53,202,000
Supplemental disclosures of cash flow information
Interest paid	13,000	11,000	26,000
Income taxes paid	12,130,000	6,770,000	11,534,000
Supplemental disclosure of non-cash activities
Unpaid purchases of property and equipment	2,605,000	726,000	4,778,000
Leased assets obtained in exchange for operating lease liabilities	349,425,000	0	0
Dividends declared	$ 29,677,000	$ 29,453,000	$ 29,067,000