Annual report pursuant to Section 13 and 15(d)

Stock Based Compensation - Schedule of Unrecognized Compensation Costs (Details) (Parenthetical)

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Stock Based Compensation - Schedule of Unrecognized Compensation Costs (Details) (Parenthetical) - USD ($)
$ in Thousands
Sep. 29, 2019
Sep. 30, 2018
Unamortized stock compensation $ 200 [1] $ 49
December 31, 2019 [Member]    
Unamortized stock compensation 3  
January 1, 2019 Through December 31, 2021 [Member]    
Unamortized stock compensation $ 197  
[1] The unamortized stock compensation as of September 29, 2019 includes $3 thousand in restricted stock units that will be fully amortized as of December 31, 2019, and $197 thousand that is amortized on a straight line basis from January 1, 2019 through December 31, 2021.