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Costs and Estimated Earnings in Excess of Billings (Tables)
 3 Months Ended
Dec. 31, 2012
Costs and Estimated Earnings in Excess of Billings [Abstract]  
Costs and estimated earnings in excess of billings on uncompleted contracts
                 
    December 31, 2012     September 30, 2012  

Costs incurred on uncompleted contracts

   $ 2,297,000     $ 4,986,000  

Estimated earnings

     837,000       1,518,000  
   

 

 

    

 

 

  
      3,134,000       6,504,000  

Billings to date

     1,040,000       3,056,000  
   

 

 

    

 

 

  

Costs and estimated earnings in excess of billings

   $ 2,094,000     $ 3,448,000