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Stock Compensation Expense (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 26, 2020
Sep. 28, 2019
Sep. 26, 2020
Sep. 28, 2019
Mar. 12, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Payment Arrangement, Expense $ 73 $ 100 $ 246 $ 387  
Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted Stock Granted in Period         131,867
Grant Date Fair Value of Restricted Stock         $ 132
Weighted Average Grant Date Fair Value of Resticted Stock         $ 1.00
Share Based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     8 years 4 months 24 days