2. SUMMARY OF SIGNIFICANT ACCOUNTING POLICY (Tables)

3 Months Ended

Jul. 31, 2017

ESPP [Member]

Schedule of antidilutive shares

	July 31, 2017		July 31, 2016
Stock Options		102,074		–
ESPP		2,184		2,663
Total		104,258		2,663

Stock Options, Warrants, and Series E Preferred Stock (assuming the if-converted method) [Member]

Schedule of antidilutive shares

	July 31, 2017		July 31, 2016
Stock Options		3,602,628		3,980,357
Warrants		39,040		39,040
Series E Preferred Stock		1,978,783		1,894,337
Total		5,620,451		5,913,734