Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Jan. 02, 2012	Dec. 27, 2010
Cash flows from operating activities:
Net loss	$ (4,441)	$ (6,539)	$ (3,141)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation and amortization	3,613	4,230	4,773
Gain on sale of restaurants			(5,059)
Gain on sale of assets		(149)	(146)
Non-cash portion of asset impairments and disposals	424	431	732
Provision for bad debts	46	117	78
Stock-based compensation expense	399	371	607
Changes in operating assets and liabilities:
Accounts receivable	(683)	(19)	(237)
Notes receivable	175	492	(190)
Inventories	(176)	27	223
Prepaid expenses and other current assets	(140)	159	497
Other assets	26	40	130
Accounts payable and accrued expenses	(1,319)	1,180	(533)
Deferred franchise revenue	(175)	(140)	(308)
Lease termination reserve	(30)	(288)	(251)
Other liabilities	(674)	(1,230)	(1,138)
Net cash used in operating activities	(2,955)	(1,318)	(3,963)
Cash flows from investing activities:
Proceeds from sale of restaurants			6,400
Capital expenditures	(1,409)	(2,011)	(1,432)
Proceeds from sale of assets		244	186
Return of security deposits, net			163
Net cash (used in) provided by investing activities	(1,409)	(1,767)	5,317
Cash flows from financing activities:
Proceeds from issuance of common stock	12,780		5,168
Common stock issuance costs	(221)		(273)
Principal payments on long-term debt			(21)
Net cash provided by financing activities	12,559		4,874
Net increase (decrease) in cash and cash equivalents	8,195	(3,085)	6,228
Cash and cash equivalents, beginning of year	7,222	10,307	4,079
Cash and cash equivalents, end of year	15,417	7,222	10,307
Cash paid for:
Corporate franchise and income taxes	$ 132	$ 205	$ 234