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Costs and Estimated Earnings in Excess of Billings (Tables)
6 Months Ended
Mar. 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 March 31, 2022 and September 30, 2021 consist of the following:
 
     March 31,
2022
     September 30,
2021
 
Costs incurred on uncompleted contracts
   $ 19,501,000      $ 11,483,000  
Estimated earnings
     5,875,000        4,395,000  
    
 
 
    
 
 
 
       25,376,000        15,878,000  
Billings to date
     23,747,000        13,975,000  
    
 
 
    
 
 
 
Costs and estimated earnings in excess of billings
   $ 1,629,000      $ 1,903,000