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Property, Plant and Equipment (Tables)
 12 Months Ended
Dec. 31, 2020
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consists of:

  
December 31,
2020
    
December 31,
2019
  
Land
  
$
22
    
$
22
  
Buildings and improvements
    
2,750
      
2,655
  
Leasehold improvements
    
4,702
      
2,567
  
Machinery and equipment
    
15,612
      
14,516
  
Furniture and fixtures
    
9,025
      
8,502
  
Gross property, plant and equipment
    
32,111
      
28,262
  
Accumulated depreciation
    
(16,587
)
    
(14,446
)
Net property, plant and equipment
  
$
15,524
    
$
13,816