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Costs and Estimated Earnings in Excess of Billings (Tables)
3 Months Ended
Dec. 31, 2021
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, 2021 and September 30, 2021 consist of the following:
 
     December 31, 2021      September 30, 2021  
Costs incurred on uncompleted contracts
   $ 17,429,000      $ 11,483,000  
Estimated earnings
     6,380,000        4,395,000  
    
 
 
    
 
 
 
       23,809,000        15,878,000  
Billings to date
     22,584,000        13,975,000  
    
 
 
    
 
 
 
Costs and estimated earnings in excess of billings
   $ 1,225,000      $ 1,903,000