Consolidated Statements of Operations and Comprehensive Loss (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jan. 02, 2012	Dec. 27, 2010	Dec. 28, 2009
Revenues:
Restaurant net sales	$ 98,920	$ 106,636	$ 116,375
Franchise fees and royalties	3,215	3,063	2,198
Total revenues	102,135	109,699	118,573
Costs and expenses:
Cost of food and beverage	22,902	24,366	26,429
Restaurant labor and related benefits	36,068	40,161	43,151
Occupancy and other restaurant operating expenses	31,330	33,977	36,617
Total operating costs and expenses	90,300	98,504	106,197
General and administrative expenses	13,824	13,692	14,635
Depreciation and amortization	4,230	4,773	7,050
Restaurant pre-opening expenses			13
Provision for losses on asset impairments and disposals	431	732	1,530
Closed store costs	61	152	48
Lease termination expense, net	22	203	322
Gain on sale of assets	(149)	(5,205)	(102)
Total costs and expenses	108,719	112,851	129,693
Operating loss	(6,584)	(3,152)	(11,120)
Other income (expense):
Interest income		1	3
Interest expense	(1)	(4)	(4)
Other income	46	14	17
Total other income	45	11	16
Net loss and comprehensive loss	$ (6,539)	$ (3,141)	$ (11,104)
Per Share Data:
Loss per share, basic and diluted (in dollars per share)	$ (0.13)	$ (0.06)	$ (0.27)
Weighted average common shares outstanding
Basic (in shares)	51,368,499	50,638,031	40,423,184
Diluted (in shares)	51,368,499	50,638,031	40,423,184