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SCHEDULE OF LONG-LIVED ASSETS BY GEOGRAPHIC AREAS (Details) - USD ($)
$ in Thousands
Jun. 27, 2020
Dec. 28, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total Long-lived Assets $ 3,589 $ 4,227
UNITED STATES    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total Long-lived Assets 3,144 3,647
UNITED KINGDOM    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total Long-lived Assets 352 442
CHINA    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total Long-lived Assets 23 37
JAPAN    
Revenues from External Customers and Long-Lived Assets [Line Items]    
Total Long-lived Assets $ 70 $ 101