Condensed Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 03, 2013	Sep. 04, 2012	Sep. 03, 2013	Sep. 04, 2012
Condensed Consolidated Statements of Income (Loss) and Comprehensive Income (Loss) [Abstract]
Revenues	$ 54,183	$ 47,887	$ 174,345	$ 151,565
Costs and expenses:
Costs of sales	16,187	14,526	52,721	46,489
Restaurant operating expenses	25,693	22,167	79,147	65,945
Marketing and advertising costs	1,336	1,127	3,592	3,133
Pre-opening costs	835	1,129	1,754	2,031
General and administrative costs	4,174	3,292	12,112	8,692
Management and accounting fees paid to related party		56		1,252
Asset advisory agreement termination fee		3,000		3,000
Secondary public offering costs	381		793
Public offering transaction bonuses	3,705	1,462	5,510	1,462
Depreciation and amortization	2,631	2,051	7,637	5,622
Operating income (loss)	(759)	(923)	11,079	13,939
Other income (expense), net:
Interest expense	(8)	(619)	(56)	(2,847)
Write-off of debt issuance costs		(1,649)		(1,649)
Other	(56)	(14)	(56)	51
Income (loss) from continuing operations before income taxes	(823)	(3,205)	10,967	9,494
Income tax expense (benefit)	(443)	(1,411)	3,347	2,762
Income (loss) from continuing operations	(380)	(1,794)	7,620	6,732
Discontinued operations, net of income tax benefit		(628)		(543)
Net income (loss)	(380)	(2,422)	7,620	6,189
Basic income (loss) per common share:
Continuing operations	$ (0.02)	$ (0.09)	$ 0.32	$ 0.36
Discontinued operations	$ 0.00	$ (0.03)	$ 0.00	$ (0.03)
Basic income (loss) per share	$ (0.02)	$ (0.12)	$ 0.32	$ 0.33
Diluted income (loss) per common share:
Continuing operations	$ (0.02)	$ (0.09)	$ 0.32	$ 0.36
Discontinued operations	$ 0.00	$ (0.03)	$ 0.00	$ (0.03)
Diluted income (loss) per share	$ (0.02)	$ (0.12)	$ 0.32	$ 0.33
Shares used in computing net income (loss) per common share:
Basic	23,801,335	20,825,619	23,796,890	18,938,318
Diluted	23,937,488	20,825,619	23,848,946	18,938,318
Comprehensive income (loss)	$ (380)	$ (2,422)	$ 7,620	$ 6,189