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Summary of Significant Accounting Policies (Details Textual) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 30, 2013
Sep. 28, 2013
Dec. 29, 2012
Summary of Significant Accounting Policies (Textual) [Abstract]      
Percentage of purchase price to be deposited in escrow account 10.00%    
Current assets of discontinued operations   $ 0 $ 510 [1]
[1] Derived from the audited consolidated financial statements included in the annual report filed on Form 10-K with the SEC for the year ended December 29, 2012.