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Costs and Estimated Earnings in Excess of Billings (Tables)
6 Months Ended
Mar. 31, 2018
Text Block [Abstract]  
Costs and Estimated Earnings in Excess of Billings on Uncompleted Contracts

Costs and estimated earnings in excess of billings on uncompleted contracts as of March 31, 2018 and September 30, 2017 consist of the following:

 

     March 31, 2018      September 30, 2017  

Costs incurred on uncompleted contracts

   $ 15,741,000      $ 10,250,000  

Estimated earnings

     5,999,000        3,161,000  
  

 

 

    

 

 

 
     21,740,000        13,411,000  

Billings to date

     10,812,000        6,643,000  
  

 

 

    

 

 

 

Costs and estimated earnings in excess of billings

   $ 10,928,000      $ 6,768,000