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Organization and Description of Business and Accounting Policies (Details 1) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 28, 2012
Dec. 30, 2011
Dec. 31, 2010
Balance, at January $ 554 $ 801 $ 1,955
Current period other comprehensive loss (722) (247) (1,154)
Balance, at December (168) 554 801
Balance, at January 1,851 1,299 1,299
Current period other comprehensive income (loss) 103 (552) 0
Balance, at December 1,748 1,851 1,299
Balance, at January 2,405 2,100 3,254
Current period other comprehensive loss (825) 305 (1,154)
Balance, at December $ 1,580 $ 2,405 $ 2,100