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Costs and Estimated Earnings on Uncompleted Contracts (Details) - USD ($) | Dec. 31, 2015 | Dec. 31, 2014
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Costs and estimated earnings on uncompleted contracts |  |
Costs incurred on uncompleted contracts | $ 18,363 |
Provision for loss on uncompleted contracts |  |
Estimated earnings (losses) | 6,786 |
Cost on uncompleted contracts, net | 25,149 |
Less: billings to date | (53,173) | (3,500)
Cost in excess of billing on uncompleted contracts, net | $ (28,024) | $ (3,500)

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