COSTS AND ESTIMATED EARNINGS ON UNCOMPLETED CONTRACTS (Tables)

12 Months Ended

Apr. 30, 2017

Contractors [Abstract]

Schedule of Costs and Estimated Earnings on Uncompleted Contracts

Costs and estimated earnings on uncompleted contracts consist of the following at April 30, 2017 and 2016:

	April 30, 2017		April 30, 2016
Costs incurred on uncompleted contracts	$	16,362,011	$	28,884,776
Estimated contract earnings		3,714,584		4,367,463
		20,076,595		33,252,239
Less: Billings to date		21,771,566		34,253,318
Total	$	(1,694,971)	$	(1,001,079)
Costs and estimated earnings in excess of billings on uncompleted contracts	$	410,826	$	357,210
Billings in excess of cost and estimated earnings on uncompleted contracts		2,105,797		1,358,289
Total	$	(1,694,971)	$	(1,001,079)