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Property, Plant and Equipment (Tables)
3 Months Ended
Mar. 31, 2013
Summary of Property, Plant and Equipment

Property, plant and equipment at March 31, 2013 and December 31, 2012 consists of the following:

 

     March 31,
2013
    December 31,
2012
 

Land

   $ 2,458      $ 2,458   

Buildings and improvements

     12,634        12,537   

Machinery and equipment

     89,568        89,089   

Office furniture, fixtures and equipment

     8,650        8,400   

Automotive equipment

     312        312   

Construction in progress

     6,933        3,363   
  

 

 

   

 

 

 
     120,555        116,159   

Less accumulated depreciation

     (72,554     (70,458
  

 

 

   

 

 

 
   $ 48,001      $ 45,701