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Intangible Assets (Tables)
12 Months Ended
Dec. 31, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets
Intangible assets consist of:
 
   
Remaining
weighted average
useful life in years
  
2020
   
2019
 
    
Cost
             
Customer relationship intangibles
  8  
$
348
 
  $333 
Computer software
  1  
 
463
 
   396 
Patents and licenses
  10  
 
282
 
   264 
   
 
  
 
 
   
 
 
 
      
 
1,093
 
   993 
    
Accumulated depreciation
             
Customer relationship intangibles
     
 
(150
   (120
Computer software
     
 
(361
   (310
Patents and licenses
     
 
(101
   (79
   
 
  
 
 
   
 
 
 
      
$
481
 
  $484