CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Cash flows From Operating Activities:
Net income (loss)	$ (34,434,000)	$ (12,078,000)	$ 2,081,000
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	7,047,000	7,176,000	7,784,000
Impairment charges	1,040,000	1,118,000	719,000
Gain on the settlement of note payable			(345,000)
Deferred income taxes	10,209,000	(1,364,000)	434,000
Amortization of deferred rent	(1,277,000)	(1,963,000)	(2,405,000)
Amortization of deferred income for co-branded credit card	(388,000)	(1,159,000)	(904,000)
Amortization of deferred financing costs	91,000
Gift card breakage	(242,000)	(275,000)	(642,000)
Stock-based compensation	782,000	322,000	381,000
Non-cash interest expense on note payable			71,000
Gain from insurance proceeds			(41,000)
Proceeds from insurance recovery		130,000	80,000
Change in assets and liabilities:
Decrease (increase) in receivables and income tax receivable	(422,000)	972,000	(770,000)
Decrease (increase) in inventories	(2,427,000)	829,000	(6,286,000)
Decrease (increase) in prepaid expenses and other assets	469,000	(529,000)	3,526,000
Decrease (increase) in accounts payable	(1,541,000)	2,832,000	1,292,000
Increase in accrued liabilities, accrued compensation and other liabilities	3,554,000	1,736,000	796,000
Net cash provided by (used in) operating activities	(17,539,000)	(2,253,000)	5,771,000
Cash Flows From Investing Activities:
Purchase of marketable securities	(2,000,000)	(9,047,000)	(6,093,000)
Maturities of marketable securities	5,013,000	10,042,000	23,008,000
Certificates of deposit-restricted	3,000,000		(500,000)
Purchase of equipment and leasehold improvements	(6,633,000)	(8,970,000)	(2,817,000)
Proceeds from insurance recovery		79,000	71,000
Net cash provided by (used in) investing activities	(620,000)	(7,896,000)	13,669,000
Cash Flows From Financing Activities:
Proceeds from the issuance of common stock	13,512,000		23,000
Payment of issuance costs	(2,118,000)
Payments of deferred financing costs	(1,082,000)
Repayment of note payable			(1,563,000)
Net cash provided by (used in) financing activities	10,312,000		(1,540,000)
Net increase (decrease) in cash and equivalents	(7,847,000)	(10,149,000)	17,900,000
Cash and equivalents, at beginning of period	12,360,000	22,509,000	4,609,000
Cash and equivalents, at end of period	$ 4,513,000	$ 12,360,000	$ 22,509,000