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Intangible Assets (Details 1) - USD ($)
Dec. 30, 2017
Dec. 31, 2016
Intangible Assets Details 1    
2018 $ 233,000  
2019 233,000  
2020 228,000  
2021 209,000  
2022 171,000  
Thereafter 577,000  
Intangible assets $ 1,651,000 $ 486,000