Income Taxes Effective Tax Rate Reconciliation (Details)	12 Months Ended
	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Income Tax Disclosure [Abstract]
Taxes at federal statutory rates	35.00%	35.00%	35.00%
State income taxes, net of federal tax benefit	(11.20%)	(5.30%)	1.80%
Non-cash stock option vesting expense	(158.60%)	(43.30%)	(3.80%)
Other	(2.40%)	(0.60%)	0.10%
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Percent	(133.40%)	(81.50%)	0.00%
Valuation allowance and NOL carryforward benefits	124.00%	8.40%	(33.20%)
Effective tax rate	(146.60%)	(87.30%)	(0.10%)