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Fabrication Contracts (Tables)
 12 Months Ended
Dec. 31, 2011
Fabrication Contracts [Abstract]  
Costs, estimated earnings and billings on uncompleted contracts
                 
    December 31,  
              2011                        2010          

Costs incurred on uncompleted contracts

   $ 895,337     $ 1,318,971  

Estimated earnings

     157,893       277,768  
   

 

 

    

 

 

  
      1,053,230       1,596,739  

Less — billings to date

     (1,014,977 )      (1,579,448 ) 
   

 

 

    

 

 

  
    $ 38,253     $ 17,291  
   

 

 

    

 

 

  
Costs, estimated earnings and billings on uncompleted contracts are presented in the accompanying financial statements
                 
    December 31,  
    2011     2010  

Costs and estimated earnings in excess of billings on uncompleted contracts

   $  122,214     $ 147,901  

Billings on uncompleted contracts in excess of costs and estimated earnings

     (83,961 )      (130,610 ) 
   

 

 

    

 

 

  
    $ 38,253     $ 17,291