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Inventories (Tables)
3 Months Ended
Dec. 31, 2022
Inventory Disclosure [Abstract]  
Net Inventories
Net inventories at December 31, 2022 and September 30, 2022 consist of the following:

 
  
December 31, 2022
 
  
September 30, 2022
 
Raw materials
   $ 35,085,000     $ 31,975,000  
Work in process
     14,545,000       13,903,000  
Finished goods
     9,685,000       9,937,000  
    
 
 
    
 
 
 
     $ 59,315,000     $ 55,815,000