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Income Taxes (Details Textual) (USD $)
3 Months Ended
Mar. 30, 2013
Mar. 31, 2012
Dec. 29, 2012
Income Taxes (Textual) [Abstract]      
Provision for income taxes $ 5,000 $ 2,000  
Deferred Tax Assets     10,100,000
Unrecognized tax benefits recognition impact on income tax rate     $ 900,000