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Costs and Estimated Earnings on Uncompleted Contracts (Tables)
 6 Months Ended
Jun. 30, 2016
Costs and Estimated Earnings on Uncompleted Contracts [Abstract]  
Summary of costs and estimated earnings on uncompleted contracts
    2016     2015  
Costs incurred on uncompleted contracts   $ 26,414     $ 18,363  
Provision for loss on uncompleted contracts     -       -  
Estimated income     9,882       6,786  
      36,296       25,149  
Less:  billings to date     (78,970 )     (53,173 )
                 
    $ (42,674 )   $ (28,024 )
Summary of costs and estimated earnings amounts on uncompleted contracts included in balance sheets
    2016     2015  
Costs and estimated earnings in excess of billings on uncompleted contracts   $ -     $ -  
Billings in excess of cost and estimated earnings on uncompleted contracts     (42,674 )     (28,024 )
    $ (42,674 )     (28,024 )