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Defined Contribution Pension Plan (Details Narrative) - USD ($)
12 Months Ended
Jan. 02, 2019
Dec. 31, 2019
Dec. 31, 2018
Employee's contribution maximum percentage 100.00%    
Employer match percentage 1.00%    
Contributions by company   $ 123,000 $ 136,000
Additional Contribution [Member]      
Employee's contribution maximum percentage 50.00%    
Employer match percentage 3.50%