CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Jan. 01, 2011
Cash flows From Operating Activities:
Net income (loss)	$ (12,078,000)	$ 2,081,000	$ (22,432,000)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	7,176,000	7,784,000	9,421,000
Impairment charges	1,118,000	719,000	10,066,000
Gain on the settlement of note payable		(345,000)
Provision for sales allowances and doubtful accounts			(53,000)
Deferred income taxes	(1,364,000)	434,000	(4,724,000)
Amortization of deferred rent	(1,963,000)	(2,405,000)	(2,503,000)
Amortization of deferred income for co-branded credit card	(1,159,000)	(904,000)	(678,000)
Gift card breakage	(275,000)	(642,000)	(196,000)
Stock-based compensation	322,000	381,000	461,000
Non-cash interest expense on note payable		71,000	23,000
Gain from insurance proceeds		(41,000)	(98,000)
Proceeds from insurance recovery	130,000	80,000	139,000
Change in assets and liabilities:
Decrease (increase) in receivables and income tax receivable	972,000	(770,000)	3,997,000
Decrease (increase) in inventories	829,000	(6,286,000)	769,000
Decrease (increase) in prepaid expenses and other assets	(529,000)	3,526,000	(58,000)
Increase in accounts payable	2,832,000	1,292,000	649,000
Increase in accrued liabilities, accrued compensation and other liabilities	1,736,000	796,000	592,000
Net cash provided by (used in) operating activities	(2,253,000)	5,771,000	(4,625,000)
Cash Flows From Investing Activities:
Purchase of marketable securities	(9,047,000)	(6,093,000)	(23,383,000)
Maturities of marketable securities	10,042,000	23,008,000	32,459,000
Certificates of deposit-restricted		(500,000)	(1,000,000)
Purchase of equipment and leasehold improvements	(8,970,000)	(2,817,000)	(3,448,000)
Proceeds from insurance recovery	79,000	71,000	109,000
Net cash provided by (used in) investing activities	(7,896,000)	13,669,000	4,737,000
Cash Flows From Financing Activities:
Proceeds from the issuance of common stock		23,000
Repayment of note payable		(1,563,000)	(1,019,000)
Net cash used in financing activities		(1,540,000)	(1,019,000)
Net increase (decrease) in cash and equivalents	(10,149,000)	17,900,000	(907,000)
Cash and equivalents, at beginning of period	22,509,000	4,609,000	5,516,000
Cash and equivalents, at end of period	$ 12,360,000	$ 22,509,000	$ 4,609,000