Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Jan. 29, 2022	Jan. 30, 2021	Feb. 01, 2020
Cash flows from operating activities
Net income (loss)	$ 64,249,000	$ (1,145,000)	$ 22,622,000
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	16,836,000	19,055,000	20,948,000
Insurance proceeds from casualty loss	117,000	0	0
Share-based compensation expense	1,920,000	2,036,000	2,136,000
Impairment of assets	136,000	955,000	282,000
Loss on disposal of assets	74,000	87,000	908,000
Gain on sales and maturities of marketable securities	(132,000)	(714,000)	(1,660,000)
Deferred income taxes	503,000	(4,949,000)	(5,720,000)
Changes in operating assets and liabilities:
Receivables	4,023,000	96,000	3,204,000
Merchandise inventories	(10,064,000)	1,203,000	(1,092,000)
Prepaid expenses and other assets	(10,275,000)	(1,722,000)	557,000
Accounts payable	3,168,000	5,020,000	(4,227,000)
Accrued expenses	(10,194,000)	10,600,000	1,369,000
Accrued compensation and benefits	7,157,000	2,709,000	(1,740,000)
Operating lease liabilities	(7,008,000)	3,141,000	(3,730,000)
Deferred revenue	3,604,000	1,731,000	1,388,000
Other liabilities	(712,000)	794,000	1,189,000
Net cash provided by operating activities	63,402,000	38,897,000	36,434,000
Cash flows from investing activities
Purchase of property and equipment	(13,425,000)	(8,471,000)	(14,299,000)
Proceeds from sale of property and equipment	37,000	0	0
Insurance proceeds from casualty loss	29,000	0	0
Purchases of marketable securities	(162,321,000)	(80,896,000)	(126,526,000)
Proceeds from maturities of marketable securities	130,352,000	86,170,000	134,316,000
Net cash used in investing activities	(45,328,000)	(3,197,000)	(6,509,000)
Cash flows from financing activities
Proceeds from line of credit	0	23,675,000	0
Repayment of line of credit	0	(23,675,000)	0
Dividends paid	(61,630,000)	(29,677,000)	(29,453,000)
Proceeds from exercise of stock options	9,573,000	24,000	1,590,000
Taxes paid in lieu of shares issued for share-based compensation	0	0	(85,000)
Net cash used in financing activities	(52,057,000)	(29,653,000)	(27,948,000)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(33,983,000)	6,047,000	1,977,000
Cash and cash equivalents, beginning of period	76,184,000	70,137,000	68,160,000
Cash and cash equivalents, end of period	42,201,000	76,184,000	70,137,000
Supplemental disclosures of cash flow information
Interest paid	1,000	140,000	13,000
Income taxes paid	38,504,000	1,034,000	12,130,000
Supplemental disclosure of non-cash activities
Unpaid purchases of property and equipment	1,080,000	2,503,000	2,605,000
Operating lease liabilities arising from obtaining operating lease assets	22,641,000	14,290,000	329,686,000
Operating lease liabilities arising from obtaining operating lease assets, related party	11,980,000	0	19,739,000
Dividends declared	$ 0	$ 0	$ 29,677,000