INCOME TAXES (Details) - USD ($)	12 Months Ended
	Feb. 03, 2018	Jan. 28, 2017	Jan. 30, 2016
Federal:
Current	$ 16,154,000	$ 31,007,000	$ 36,053,000
Deferred	3,257,000	1,359,000	1,188,000
Total federal	19,411,000	32,366,000	37,241,000
State:
Current	1,668,000	3,042,000	3,743,000
Deferred	338,000	13,000	200,000
Total state	2,006,000	3,055,000	3,943,000
Total tax provison	$ 21,417,000	$ 35,421,000	$ 41,184,000
Reconciliation of federal statutory tax rate to effective tax rate
Tax provision computed at the federal statutory rate (in hundredths)	33.72%	35.00%	35.00%
Effect of state income taxes, net of federal benefits (in hundredths)	2.50%	2.22%	2.40%
Enactment of the Tax Cuts and Job Acts	1.39%	0.00%	0.00%
Other, net (in hundredths)	0.33%	(0.51%)	(0.53%)
Tax provision at effective rate (in hundredths)	37.94%	36.71%	36.87%
Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability	$ 800,000
Deferred tax assets and liabilities, net
Deferred rent	6,971,000	$ 10,298,000
Deferred Tax Assets, Inventory	3,209,000	4,953,000
Accruals	3,616,000	5,709,000
Stock-based compensation	3,714,000	4,974,000
Other	49,000	150,000
Total deferred tax assets	17,559,000	26,084,000
Accumulated depreciation and amortization	(14,395,000)	(19,735,000)
Prepaid expenses	(644,000)	(836,000)
Accruals	(224,000)	0
State taxes	(120,000)	(228,000)
Total deferred tax liabilities	(15,383,000)	(20,799,000)
Deferred income taxes, net	2,176,000	5,285,000
Reconciliation of unrecognized tax benefit [Roll Forward]
Unrecognized tax benefit - beginning of year	1,267,000	1,242,000	$ 1,339,000
Gross increases - tax positions in prior period	140,000	158,000	90,000
Gross decreases - tax positions in prior period	(7,000)	(26,000)	(39,000)
Gross increases - tax positions in current period	70,000	121,000	122,000
Settlements	0	0	0
Lapse of statute of limitations	(314,000)	(228,000)	(270,000)
Unrecognized tax benefit - end of year	1,156,000	1,267,000	1,242,000
Accrued interest and penalties related to unrecognized tax benefits	100,000	100,000	100,000
Interest and penalties recorded	4,000	21,000	(5,000)
Unrecognized tax benefits that would affect effective income tax rate	$ 1,000,000	$ 900,000	$ 900,000