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Inventories (Tables)
 3 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
Net Inventories

Net inventories at December 31, 2017 and September 30, 2017 consist of the following:

 

     December 31, 2017      September 30, 2017  

Raw materials

    $ 11,001,000      $ 9,407,000  

Work in process

      1,234,000        3,098,000  

Finished goods

      4,674,000        4,166,000  

Used equipment

      16,000        16,000  
  

 

 

     

 

 

  
   $ 16,925,000      $ 16,687,000