Consolidated Statements of Operations and Comprehensive Income (Loss) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2013	Jul. 02, 2012	Jul. 01, 2013	Jul. 02, 2012
Revenues:
Restaurant net sales	$ 22,656	$ 25,322	$ 43,510	$ 49,243
Franchise fees and royalties	752	986	1,459	1,738
Total revenues	23,408	26,308	44,969	50,981
Costs and expenses:
Cost of food and beverage	5,521	5,809	10,723	11,375
Restaurant labor and related benefits	8,198	8,587	16,308	17,402
Occupancy and other restaurant operating expenses	7,523	7,955	14,669	15,641
Total operating costs and expenses	21,242	22,351	41,700	44,418
General and administrative expenses	3,141	2,929	5,898	5,708
Depreciation and amortization	672	906	1,420	1,900
Restaurant pre-opening expenses	11		11
Provision for losses on asset impairments and disposals	355	27	694	27
Lease termination expense and closed store costs	126	26	147	(2)
Total costs and expenses	25,547	26,239	49,870	52,051
Operating (loss) income	(2,139)	69	(4,901)	(1,070)
Other income	4	8	25	19
Net (loss) income and comprehensive (loss) income	$ (2,135)	$ 77	$ (4,876)	$ (1,051)
Earnings per share:
Basic (in dollars per share)	$ (0.12)	$ 0.01	$ (0.27)	$ (0.08)
Diluted (in dollars per share)	$ (0.12)	$ 0.01	$ (0.27)	$ (0.08)
Weighted average shares outstanding:
Basic (in shares)	17,988,624	12,901,745	17,969,198	12,882,662
Diluted (in shares)	17,988,624	12,946,983	17,969,198	12,882,662