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4. Debt (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 26, 2014
Dec. 31, 2013
Details    
Long-term Line of Credit $ 0  
Amount of option to repurchase the buildings under agreements with Wasatch 3,027  
Base annual rent for the extended 5 year term 549  
Base annual rent prior to lease extension   $ 509