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Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
Dec. 28, 2013
Dec. 29, 2012
Estimated future amortization expense for purchased intangible assets    
2014 $ 58  
2015 52  
2016 86  
2017 16  
2018 16  
Thereafter 100  
Total $ 328 $ 554