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Inventories (Tables)
9 Months Ended
Jun. 30, 2023
Inventory Disclosure [Abstract]  
Net Inventories
Net inventories at June 30, 2023 and September 30, 2022 consist of the following:
 
 
  
June 30, 2023
 
  
September 30, 2022
 
Raw materials
  
$
36,672,000
 
 
$
31,975,000
 
Work in process
  
 
17,976,000
 
 
 
13,903,000
 
Finished goods
  
 
12,143,000
 
 
 
9,937,000
 
    
 
 
   
 
 
 
    
$
66,791,000
 
 
$
55,815,000