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PROPERTY, PLANT AND EQUIPMENT, NET (Tables)
 12 Months Ended
Dec. 31, 2018
PROPERTY, PLANT AND EQUIPMENT, NET [Abstract]  
Property, Plant and Equipment
Property, plant and equipment, net consist of the following:

  
December 31,
 
  
2018
  
2017
 
Land
 
$
2,251
  
$
2,259
 
Buildings and improvements
  
30,119
   
30,761
 
Machinery and equipment
  
126,747
   
122,773
 
Construction in progress
  
4,687
   
1,511
 
   
163,804
   
157,304
 
Accumulated depreciation
  
(119,872
)
  
(113,809
)
Property, plant and equipment, net
 
$
43,932
  
$
43,495