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Costs and Estimated Earnings in Excess of Billings (Tables)
 12 Months Ended
Sep. 30, 2016
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 September 30, 2016 and 2015 consisted of the following:

 

     September 30,  
     2016      2015  

Costs incurred on uncompleted contracts

    $ 8,898,000       $ 4,547,000   

Estimated earnings

      3,124,000         1,114,000   
  

 

 

     

 

 

  
     12,022,000         5,661,000   

Billings to date

      7,101,000         3,265,000   
  

 

 

     

 

 

  

Costs and estimated earnings in excess of billings

    $ 4,921,000       $ 2,396,000