DISCONTINUED OPERATIONS (Details) - USD ($)	3 Months Ended
	Jul. 31, 2016	Jul. 31, 2015
Revenue	$ 0	$ 839,969
Costs and expenses:
Cost of revenue	0	546,296
Selling, general and administrative expenses	0	111,324
Depreciation and amortization	0	80,971
Disposal Group, Including Discontinued Operation, Operating Expense	0	738,591
Operating income (loss) from discontinued operations	0	101,378
Interest expense	0	49,234
Income (loss) from discontinued operations before income tax provision	0	52,144
Income tax provision	0	10,883
Total income from discontinued operations	$ 0	$ 41,261