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(5) Share-Based Payments (Details Narrative) - USD ($)
3 Months Ended
Mar. 28, 2020
Mar. 30, 2019
Share-based Payment Arrangement [Abstract]    
Stock options granted in the period 119,000 124,000
Shares issued 1,500
Unrecognized compensation cost (in Thousands) $ 198  
Weighted average period to be recognized 1 year 1 month 17 days  
Share-based compensation expense recognized (in Thousands) $ 66 $ 59