INCOME TAXES (Details Textual)	12 Months Ended
	Apr. 30, 2016 USD ($)
Operating Loss Carryforwards [Line Items]
Valuation Allowances and Reserves, Balance	$ 17,986,000
Valuation Allowances and Reserves, Period Increase (Decrease)	1,288,447
Domestic Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	30,700,000
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards	$ 36,800,000