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PROPERTY, PLANT AND EQUIPMENT (Tables)
6 Months Ended
Jun. 30, 2019
PROPERTY, PLANT AND EQUIPMENT [Abstract]  
Property, Plant and Equipment
Property, plant and equipment consist of the following:

 
 
June 30,
  
December 31,
 
 
 
2019
  
2018
 
Land
 
$
1,433
  
$
2,251
 
Buildings and improvements
  
29,319
   
30,119
 
Machinery and equipment
  
129,386
   
126,747
 
Construction in progress
  
5,516
   
4,687
 
 
  
165,654
   
163,804
 
Accumulated depreciation
  
(123,310
)
  
(119,872
)
Property, plant and equipment, net
 
$
42,344
  
$
43,932