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Costs and Estimated Earnings on Uncompleted Contracts (Tables)
 9 Months Ended
Sep. 30, 2012
Costs and Estimated Earnings On Uncompleted Contracts [Abstract]  
Costs and estimated earnings on uncompleted contracts
 
   
2012
    
2011
  
Costs incurred on uncompleted contracts
  
$
27,504
    
$
424,477
  
Estimated earnings
    
19,282
      
41
  
     
46,786
      
424,518
  
Less:  billings to date
    
(119,796)
      
(358,064)
  
                 
   
$
(73,010)
    
$
66,454
  
Costs and estimated earnings amounts on uncompleted contracts included in balance sheets
 
   
2012
    
2011
  
Costs and estimated earnings in excess of billings on uncompleted contracts
  
$
8,107
    
$
66,454
  
Billings in excess of cost and estimated earnings on uncompleted contracts
    
(81,117)
      
-
  
   
$
(73,010)
    
$
66,454