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PROPERTY, PLANT AND EQUIPMENT, NET
 12 Months Ended
Dec. 31, 2015
PROPERTY, PLANT AND EQUIPMENT, NET [Abstract]  
PROPERTY, PLANT AND EQUIPMENT, NET
8.
PROPERTY, PLANT AND EQUIPMENT, NET

Property, plant and equipment, net consist of the following:


  
December 31,
 
  
2015
  
2014
 
Land
 
$
2,240
  
$
3,293
 
Buildings and improvements
  
29,346
   
31,067
 
Machinery and equipment
  
116,921
   
117,178
 
Construction in progress
  
4,949
   
4,764
 
   
153,456
   
156,302
 
Accumulated depreciation
  
(95,845
)
  
(87,041
)
Property, plant and equipment, net
 
$
57,611
  
$
69,261
 


Depreciation expense for the years ended December 31, 2015, 2014 and 2013 was $16.0 million, $15.0 million and $10.5 million, respectively.