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

Net inventories at June 30, 2012 and September 30, 2011 consist of the following:

 

                 
    June 30, 2012     September 30,
2011
 

Raw materials

  $ 6,870,000     $ 8,846,000  

Work in process

    393,000       2,017,000  

Finished goods

    4,576,000       1,726,000  

Used equipment

    144,000       289,000  
   

 

 

   

 

 

 
    $ 11,983,000     $ 12,878,000