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Costs and Estimated Earnings on Uncompleted Contracts (Details) - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Costs and estimated earnings on uncompleted contracts
Costs incurred on uncompleted contracts	$ 768
Provision for loss on uncompleted contracts
Estimated income	$ 153
Cost on uncompleted contracts, net	921
Less: billings to date	(15,000)	$ (3,500)
Cost in excess of billing on uncompleted contracts, net	$ (14,079)	$ (3,500)

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Amount of receivable reflecting the cost incurred on uncompleted contracts in excess of related billings.

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Cumulative provision for contract losses not offset against related costs accumulated on the balance sheet.

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