Quarterly report pursuant to Section 13 or 15(d)

5. STOCK OPTIONS AND WARRANTS (Details - Warrant activity)

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5. STOCK OPTIONS AND WARRANTS (Details - Warrant activity) - Warrants [Member]
9 Months Ended
Jan. 31, 2019
$ / shares
shares
Warrants outstanding, beginning balance | shares 33,993,104
Warrants issued | shares 5,584,693
Warrants outstanding, ending balance | shares 39,577,797
Warrants exercisable | shares 39,577,797
Weighted average exercise price warrants outstanding, beginning balance $ 0.10
Weighted average exercise price warrants issued 0.02
Weighted average exercise price warrants expired
Weighted average exercise price warrants outstanding, ending balance 0.09
Weighted average exercise price warrants exercisable $ 0.09