Costs and Estimated Earnings on Uncompleted Contracts (Tables)

3 Months Ended

Mar. 31, 2018

Costs and estimated earnings in excess of billings on uncompleted contracts are summarized as follows:

	March 31, 2018			December 31, 2017
Costs incurred on uncompleted contracts	$	165,964		$	147,117
Estimated earnings		38,066			46,277
		204,030			193,394
Billings to date		(199,478	)		(212,472	)
	$	4,552		$	(19,078	)

Included in the accompanying balance sheets:
Costs and estimated earnings in excess of billings		4,552			11,226
Billings in excess of costs and estimated earnings		-			(30,304	)
Total	$	4,552		$	(19,078	)