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PROPERTY, PLANT AND EQUIPMENT (Tables)
6 Months Ended
Jun. 30, 2018
PROPERTY, PLANT AND EQUIPMENT [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consist of the following:


 
 
June 30,
  
December 31,
 
 
 
2018
  
2017
 
Land
 
$
2,253
  
$
2,259
 
Buildings and improvements
  
30,543
   
30,761
 
Machinery and equipment
  
123,280
   
122,773
 
Construction in progress
  
2,951
   
1,511
 
 
  
159,027
   
157,304
 
Accumulated depreciation
  
(116,083
)
  
(113,809
)
Property, plant and equipment, net
 
$
42,944
  
$
43,495