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Inventories (Tables)
3 Months Ended
Dec. 31, 2012
Inventories [Abstract]  
Inventories
                 
    December 31, 2012     September 30, 2012  

Raw materials

  $ 8,310,000     $ 7,375,000  

Work in process

    3,407,000       1,201,000  

Finished goods

    3,194,000       3,202,000  

Used equipment

    195,000       140,000  
   

 

 

   

 

 

 
    $ 15,106,000     $ 11,918,000