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Income Taxes (Details Textual) (USD $)
3 Months Ended 9 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 28, 2013
Sep. 29, 2012
Dec. 29, 2012
Income Taxes (Textual) [Abstract]          
Provision for (benefit from) income taxes $ 50,000 $ (141,000) $ 58,000 $ (134,000)  
Deferred Tax Assets         10,100,000
Unrecognized tax benefits recognition impact on income tax rate         $ 1,000,000