Summary of Significant Accounting Policies (Details Textual) (USD $)	3 Months Ended	12 Months Ended
	Feb. 02, 2013 chain	Feb. 02, 2013 store chain	Jan. 28, 2012 store	Jan. 29, 2011 store
Nature of Business
Number of retail chains	2	2
Fiscal year reporting period		P53W	P52W	P52W
Cash and Cash Equivalents
Cash insured by FDIC	$ 250,000	$ 250,000
Cash in excess of federally insured limits	14,000,000	14,000,000
Short-term Investments
Short-term investments	67,694,000	67,694,000	0
Merchandise Inventories
Total markdowns on inventory		108,200,000	86,400,000	84,200,000
Markdowns on inventory percentage of net sales		18.60%	13.90%	14.50%
Accrual for planned but unexecuted markdowns, including markdowns related to slow moving merchandise	3,900,000	3,900,000	4,300,000
Long-Lived Assets
Number of stores tested for asset impairment		157	20	25
Number of stores with asset impairment		116	18	19
Number of stores tested but not impaired		41
Number of stores tested but not impaired with risk of future impairment		12
Deferred Finance Costs
Amortization of deferred financing costs		107,000	108,000	162,000
Discount on Secured Convertible Notes
Debt conversion, write-off of unamortized debt discount and deferred financing costs		0	0	2,083,000
Revenue Recognition
Shipping period		4 days
Shipping and handling fee revenue		2,300,000	3,000,000	3,200,000
Period customer is allowed to return merchandise		21 days
Accrual for merchandise returns		200,000	200,000
Gift cards, gift certificates, and store credits, period after redemption becomes remote		2 years
Deferred revenue—gift cards, gift certificates, and store credits	5,439,000	5,439,000	5,514,000
Benefit for unredeemed gift cards, gift certificates, and store credits		1,100,000	1,100,000	1,400,000
Frequent buyer program, individual coupons provided		5
Frequent buyer program, individual annual membership fee income		20
Frequent buyer program, membership fee income		12 months
Deferred revenue—frequent buyer and loyalty programs	7,072,000	7,072,000	6,541,000
Frequent buyer program, period after points are converted to fractional awards		18 months
Frequent buyers program, fractional awards, expiration term		60 days
Advertising Costs
Advertising expense		5,700,000	4,600,000	3,600,000
Income Taxes
Change in valuation allowance	71,100,000	71,127,000	(642,000)	(457,000)
Insurance/Self-Insurance
Workers' compensation liability, deductible for each individual claim	250,000	250,000
Workers' compensation liability, annual	1,400,000	1,400,000
Group health plan liability, deductible for each individual claim	175,000	175,000
Group health plan liability, aggregate monthly	500,000	500,000
Customer Loyalty Program - Membership Fee [Member]
Revenue Recognition
Deferred revenue—frequent buyer and loyalty programs	5,700,000	5,700,000	5,300,000
Customer Loyalty Program - Point Awards [Member]
Revenue Recognition
Deferred revenue—frequent buyer and loyalty programs	1,100,000	1,100,000	1,300,000
Secured Convertible Notes [Member] | Convertible Debt [Member]
Discount on Secured Convertible Notes
Unamortized discount				45,000,000
Discount amortization period				7 years
Debt conversion, write-off of unamortized debt discount and deferred financing costs				$ 2,083,000
Minimum [Member]
Nature of Business
Target age group		13 years
Revenue Recognition
Frequent buyer program, discount provided over twelve month period		10.00%
Maximum [Member]
Nature of Business
Target age group		39 years
Revenue Recognition
Frequent buyer program, discount provided over twelve month period		20.00%
Furniture, Fixtures, and Equipment [Member] | Minimum [Member]
Equipment and Leasehold Improvements
Property, plant, and equipment, useful life		3 years
Furniture, Fixtures, and Equipment [Member] | Maximum [Member]
Equipment and Leasehold Improvements
Property, plant, and equipment, useful life		5 years
Leasehold Improvements [Member] | Minimum [Member]
Equipment and Leasehold Improvements
Property, plant, and equipment, useful life		10 years