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Property, plant and equipment
12 Months Ended
Dec. 31, 2011
Property, plant and equipment  
Property, plant and equipment

 

5. Property, plant and equipment

        Property, plant and equipment are summarized as follows:

 
  December 31,  
 
  2011   2010  

Land

  $ 960   $ 960  

Land improvements

    1,768     1,768  

Buildings

    12,660     12,554  

Machinery and equipment

    23,253     22,343  

Furniture and fixtures

    7,255     6,482  

Mobile equipment and other

    1,216     1,019  

Construction-in-process

    748     422  
           

Total property, plant and equipment

    47,860     45,548  

Less accumulated depreciation

    (26,520 )   (23,586 )
           

Net property, plant and equipment

  $ 21,340   $ 21,962