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Property, Plant and Equipment
 12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment

(1) Property, Plant and Equipment

Property, plant and equipment at December 31, 2015 and 2014 consist of the following:

 

     2015      2014      Estimated
useful lives		  

Land

    $ 2,458       $ 2,458      

Buildings and improvements

      14,726         14,380         10 to 30 years   

Machinery and equipment

      113,506         107,899         3 to 15 years   

Office furniture, fixtures and equipment

      4,997         4,698         3 to 10 years   

Automotive equipment

      491         374         3 to 6 years   

Construction in progress

      3,413         3,432      
  

 

 

     

 

 

     
     139,591         133,241      

Less accumulated depreciation

      (91,619 )       (83,215 )    
  

 

 

     

 

 

     
   $ 47,972       $ 50,026      
  

 

 

     

 

 

     

For the years ended December 31, 2015, 2014, and 2013, the Company’s aggregate depreciation expense related to property and equipment was $8,953, $9,622, and $8,493, respectively. For the years ended December 31, 2015 and 2014, the Company eliminated from assets and accumulated depreciation $549 and $5,358 of fully depreciated assets, respectively. There was no such elimination in 2013.