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Property, Plant and Equipment
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment

Note 4. Property, Plant and Equipment

Property, plant and equipment balances at December 31 are summarized below:

 

                 
    2012     2011  

Building and improvements

  $ 3,441,192     $ 3,430,542  

Machinery and equipment

    6,671,866       7,002,196  

Furniture and fixtures

    595,619       591,617  
   

 

 

   

 

 

 
      10,708,677       11,024,355  

Less accumulated depreciation and amortization

    (9,333,348     (8,969,792
   

 

 

   

 

 

 

Property, plant and equipment, net

  $ 1,375,329     $ 2,054,563  
   

 

 

   

 

 

 

Depreciation and amortization expense was approximately $728,000 in 2012, $842,000 in 2011, and $1,093,000 in 2010.