XML 30 R20.htm IDEA: XBRL DOCUMENT

Costs and Estimated Earnings on Uncompleted Contracts (Tables)

3 Months Ended

Mar. 31, 2017

Costs and Estimated Earnings on Uncompleted Contracts [Abstract]

Summary of costs and estimated earnings on uncompleted contracts

		2017				2016
Costs incurred on uncompleted contracts		$	323,411			$	316,722
Provision for loss on uncompleted contracts			-				-
Estimated income			34,697				40,488
			358,108				357,210
Less: billings to date			(371,665	)			(372,339	)
		$	(13,557	)		$	(15,129	)

Summary of costs and estimated earnings amounts on uncompleted contracts included in balance sheets

		2017				2016
Costs and estimated earnings in excess of billings on uncompleted contracts		$	24,266			$	33,349
Billings in excess of cost and estimated earnings on uncompleted contracts			(37,823	)			(48,478	)
		$	(13,557	)			(15,129	)