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E. PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT

At December 31, 2013 and 2012, property, plant and equipment consisted of the following:

 

    2013     2012  
    (in thousands)  
Land improvements   $ 103     $ 93  
Building and improvements     16,016       15,239  
Machinery and equipment     37,490       29,977  
Furniture and fixtures     1,047       739  
Computer equipment and software     3,563       2,851  
Transportation equipment     188       173  
      58,407       49,072  
Less accumulated depreciation and amortization     (28,145 )     (24,967 )
      30,262       24,105  
Construction in progress     139        
Land     733       733  
Property, plant and equipment, net   $ 31,134     $ 24,838  

 

For the years ended December 31, 2013, 2012 and 2011, depreciation expense of property, plant and equipment was $3.3 million $2.9 million and $3.1 million, respectively.