DISCONTINUED OPERATIONS (Details) - USD ($)	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Revenue	$ 839,969	$ 3,976,501
Costs and expenses:
Cost of revenue	546,296	2,843,586
Selling, general and administrative expenses	111,324	1,018,449
Depreciation and amortization	80,971	476,246
Disposal Group, Including Discontinued Operation, Operating Expense	738,591	4,338,281
Operating income (loss) from discontinued operations	101,378	(361,780)
Interest expense	49,234	66,919
Income (loss) from discontinued operations before income tax provision	52,144	(428,699)
Income tax provision	10,883	9,415
Income (loss) from discontinued operations, net of tax	41,261	(438,114)
Gain from disposal	0	798,896
Total income from discontinued operations	$ 41,261	$ 360,782