INCOME TAXES (Details) - USD ($)	12 Months Ended
	Feb. 02, 2019	Feb. 03, 2018	Jan. 28, 2017
Federal:
Current	$ 7,375,000	$ 16,154,000	$ 31,007,000
Deferred	339,000	3,257,000	1,359,000
Total federal	7,714,000	19,411,000	32,366,000
State:
Current	1,625,000	1,668,000	3,042,000
Deferred	(202,000)	338,000	13,000
Total state	1,423,000	2,006,000	3,055,000
Provision for income taxes	$ 9,137,000	$ 21,417,000	$ 35,421,000
Reconciliation of federal statutory tax rate to effective tax rate
Tax provision computed at the federal statutory rate	21.00%	33.72%	35.00%
Effect of state income taxes, net of federal benefits	2.86%	2.50%	2.22%
Enactment of the Tax Cuts and Job Acts	0.00%	1.39%	0.00%
Federal income tax credits	(1.36%)	(0.32%)	(0.45%)
Equity compensation tax deficiencies	1.30%	1.23%	0.00%
Other, net	0.53%	(0.58%)	(0.06%)
Tax provision at effective rate	24.33%	37.94%	36.71%
Deferred tax assets and liabilities, net
Deferred rent	$ 6,333,000	$ 6,971,000
Inventories	3,442,000	3,209,000
Accruals	5,080,000	3,616,000
Stock-based compensation	3,681,000	3,714,000
Other	328,000	49,000
Total deferred tax assets	18,864,000	17,559,000
Accumulated depreciation and amortization	(15,089,000)	(14,395,000)
Prepaid expenses	(1,420,000)	(644,000)
Other	0	(224,000)
State taxes	(77,000)	(120,000)
Total deferred tax liabilities	(16,586,000)	(15,383,000)
Deferred income taxes, net	2,278,000	2,176,000
Reconciliation of unrecognized tax benefit [Roll Forward]
Unrecognized tax benefit - beginning of year	1,156,000	1,267,000	$ 1,242,000
Gross increases - tax positions in prior period	246,000	140,000	158,000
Gross decreases - tax positions in prior period	(10,000)	(7,000)	(26,000)
Gross increases - tax positions in current period	107,000	70,000	121,000
Settlements	0	0	0
Lapse of statute of limitations	(254,000)	(314,000)	(228,000)
Unrecognized tax benefit - end of year	1,245,000	1,156,000	1,267,000
Accrued interest and penalties related to unrecognized tax benefits	200,000	100,000	100,000
Interest and penalties recorded	18,000	4,000	21,000
Unrecognized tax benefits that would affect effective income tax rate	$ 1,000,000	$ 1,000,000	$ 900,000