Costs and Estimated Earnings on Uncompleted Contracts (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
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)