Earnings Per Share (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 15, 2013	Jun. 16, 2012	Jun. 15, 2013	Jun. 16, 2012
Earnings Per Share, Diluted, by Common Class, Including Two Class Method [Line Items]
Net Income (Loss) Attributable to Parent			$ 591	$ 1,488
Net Income (Loss) Attributable to Noncontrolling Interest	26	0	46	0
Net income	$ 1,057	$ 1,218	$ 637	$ 1,488
Number of weighted average shares outstanding: basic	18,138	16,689	18,125	15,588
Dilutive shares for share–based compensation plans	318	451	324	462
Number of weighted average shares outstanding: diluted	18,456	17,140	18,449	16,050
Net income per share: basic	$ 0.06	$ 0.07	$ 0.03	$ 0.10
Net income per share: diluted	$ 0.06	$ 0.07	$ 0.03	$ 0.09