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Costs and Estimated Earnings on Uncompleted Contracts (Tables)
12 Months Ended
Dec. 31, 2013
Costs and Estimated Earnings on Uncompleted Contracts [Abstract]  
Summary of costs and estimated earnings on uncompleted contracts
 
  
2013
  
2012
 
Costs incurred on uncompleted contracts
 $228,643  $177,529 
Provision for loss on uncompleted contracts
  9,896   6,680 
Estimated earnings (losses)
  (47,932)  6,156 
   190,607   190,365 
Less:  billings to date
  (214,956)  (223,678)
         
  $(24,349) $(33,313)
Summary of costs and estimated earnings amounts on uncompleted contracts included in balance sheets
 
  
2013
  
2012
 
Costs and estimated earnings in excess of billings on uncompleted contracts
 $-  $36,476 
Billings in excess of cost and estimated earnings on uncompleted contracts
  (24,349)  (69,789)
  $(24,349) $(33,313)