Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (113,231)	$ 15,082	$ 12,570
Adjustments to reconcile net (loss) income to net cash (used in) provided by operating activities:
Depreciation and amortization	17,497	19,371	16,813
Amortization of premium on investments	0	690	300
Amortization/acceleration of discount on secured convertible notes	0	0	2,083
Amortization of deferred financing costs	107	108	162
Amortization of stock payment in lieu of rent	0	61	97
Adjustment of derivatives to fair value	0	0	(20)
Interest added to principal of secured convertible notes	0	0	35
Conversion inducement fee	0	0	700
Asset impairment	27,000	4,503	4,228
Loss on disposal of equipment and leasehold improvements	667	172	578
Deferred income taxes	43,913	8,991	11,849
Stock-based compensation	2,949	4,647	1,787
Stock-based compensation tax shortfalls	(1,320)	(665)	(2,317)
Changes in operating assets and liabilities:
Income tax receivables	(86)	(200)	0
Other receivables	(293)	496	(1,189)
Merchandise inventories	(1,954)	1,502	(4,177)
Prepaid expenses and other current assets	(8,980)	8,112	(1,874)
Other non-current assets	9	(134)	(344)
Accounts payable and accrued liabilities	8,897	(2,057)	6,243
Income taxes payable	0	(60)	13
Deferred rent	(1,227)	1,414	2,676
Other long-term liabilities	(139)	(133)	(133)
Net cash (used in) provided by operating activities	(26,191)	61,900	50,080
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of equipment and leasehold improvements	(20,406)	(26,486)	(30,727)
Investments in marketable securities	(67,694)	0	(51,263)
Proceeds from maturity of marketable securities	0	50,000	0
Net cash (used in) provided by investing activities	(88,100)	23,514	(81,990)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repurchase of common stock	(634)	(54,523)	(8,205)
Payment of deferred financing costs	0	(139)	0
Conversion inducement fee	0	0	(700)
Proceeds from exercise of stock options	19	1,071	213
Proceeds from exercise of common stock warrants	0	0	4,271
Net cash used in financing activities	(615)	(53,591)	(4,421)
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(114,906)	31,823	(36,331)
CASH AND CASH EQUIVALENTS, beginning of year	157,185	125,362	161,693
CASH AND CASH EQUIVALENTS, end of year	42,279	157,185	125,362
Cash paid during the year for:
Interest	75	71	70
Income taxes	1,087	2,271	744
SUPPLEMENTAL DISCLOSURES OF NONCASH TRANSACTIONS:
Conversions of convertible preferred stock into common stock	0	0	1,611
Conversions of secured convertible notes into common stock	0	0	5,658
Retirement of treasury shares	962	91,746	0
Amortization of actuarial gain under Supplemental Employee Retirement Plan	0	7	16
Actuarial net loss under Supplemental Employee Retirement Plan	123	287	115
Purchases of equipment and leasehold improvements unpaid at end of year	$ 2,128	$ 1,340	$ 4,176