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Inventories (Tables)
6 Months Ended
Jun. 30, 2012
Inventories [Abstract]  
Schedule of Inventory

Inventories consist of the following:

 

                 
    June 30,
2012
    December 31,
2011
 

Raw materials

  $ 7,388,000     $ 7,853,000  

Work in process

    3,323,000       3,160,000  

Finished goods

    2,830,000       2,571,000  
   

 

 

   

 

 

 
    $ 13,541,000     $ 13,584,000