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Organization and Description of Business and Accounting Policies (Details 1) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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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

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