INCOME TAXES (Details) (USD $)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
Federal:
Current	$ 39,511,000	$ 30,529,000	$ 24,924,000
Deferred	(1,418,000)	26,000	(1,136,000)
Total federal	38,093,000	30,555,000	23,788,000
State:
Current	5,355,000	3,820,000	3,572,000
Deferred	(217,000)	(121,000)	(318,000)
Total state	5,138,000	3,699,000	3,254,000
Total tax provison	43,231,000	34,254,000	27,042,000
Reconciliation of federal statutory tax rate to effective tax rate
Tax provision computed at the federal statutory rate	35.00%	35.00%	35.00%
Effect of state income taxes, net of federal benefits	2.76%	2.61%	2.48%
Other, net	(0.43%)	(0.90%)	(0.66%)
Tax provision at effective rate	37.33%	36.71%	36.82%
Reconciliation of unrecognized tax benefit [Roll Forward]
Unrecognized tax benefit - beginning of year	2,604,000	3,887,000	2,351,000
Gross increases - tax positions in prior period	55,000	31,000	264,000
Gross decreases - tax positions in prior period	(42,000)	(1,412,000)	0
Gross increases - tax positions in current period	278,000	496,000	2,191,000
Settlements	0	(230,000)	0
Lapse of statute of limitations	(187,000)	(168,000)	(919,000)
Unrecognized tax benefit - end of year	2,708,000	2,604,000	3,887,000
Accrued interest and penalties related to unrecognized tax benefits	300,000	300,000	300,000
Interest and penalties recorded	100,000	100,000	100,000
Unrecognized tax benefits that would affect effective income tax rate	1,100,000	1,100,000	1,200,000
Current [Member]
Deferred tax assets and liabilities, net
Deferred rent	1,406,000	1,458,000
Inventories	4,439,000	3,994,000
Accruals	2,980,000	2,593,000
Stock-based compensation	1,308,000	989,000
Other	17,000	20,000
Total deferred tax assets	10,150,000	9,054,000
Accumulated depreciation and amortization	0	0
Prepaid expenses	(901,000)	(805,000)
Accruals	(58,000)	(72,000)
Other	(423,000)	(375,000)
Total deferred tax liabilities	(1,382,000)	(1,252,000)
Deferred income taxes, net	8,768,000	7,802,000
Non-current [Member]
Deferred tax assets and liabilities, net
Deferred rent	4,834,000	4,664,000
Inventories	0	0
Accruals	1,672,000	1,433,000
Stock-based compensation	4,148,000	4,125,000
Other	1,000	2,000
Total deferred tax assets	10,655,000	10,224,000
Accumulated depreciation and amortization	(6,414,000)	(6,682,000)
Prepaid expenses	0	0
Accruals	0	0
Other	(156,000)	(126,000)
Total deferred tax liabilities	(6,570,000)	(6,808,000)
Deferred income taxes, net	$ 4,085,000	$ 3,416,000