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Inventories (Tables)
12 Months Ended
Dec. 31, 2021
Inventory Disclosure [Abstract]  
Schedule of inventories
Inventories consist of:
 
    
December 31,
 
    
2021
    
2020
 
Raw materials
   $ 767      $ 435  
Work-in-process
     645        420  
    
 
 
    
 
 
 
Total Inventory
   $ 1,412      $ 855