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Stock Compensation Expense (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 29, 2018
Sep. 30, 2017
Sep. 29, 2018
Sep. 30, 2017
Jul. 30, 2018
Mar. 12, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Allocated Share-based Compensation Expense $ 234 $ 223 $ 689 $ 711    
Restricted Stock Granted in Period         10,000 297,292
Grant Date Fair Value of Restricted Stock         $ 20 $ 832
Weighted Average Grant Date Fair Value of Resticted Stock         $ 2.00 $ 2.80
Award Vesting Period     6 years 1 month      
Period for Recognition     3 years