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Costs and Estimated Earnings in Excess of Billings (Tables)
3 Months Ended
Dec. 31, 2022
Text Block [Abstract]  
Costs and Estimated Earnings in Excess of Billings
Costs and estimated earnings in excess of billings on uncompleted contracts as of December 31, 2022 and September 30, 2022 consist of the following:

                    
                    
 
  
December 31, 2022
 
 
September 30, 2022
 
Costs incurred on uncompleted contracts
   $ 17,613,000     $ 12,660,000  
Estimated earnings
     7,155,000       4,780,000  
    
 
 
    
 
 
 
       24,768,000       17,440,000  
Billings to date
     19,818,000       15,322,000  
    
 
 
    
 
 
 
Costs and estimated earnings in excess of billings
   $ 4,950,000     $ 2,118,000