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]
3 Months Ended
Jul. 31, 2018
$ / shares
shares
Warrants outstanding, beginning balance | shares 33,993,104
Warrants issued | shares 3,311,966
Warrants expired | shares 0
Warrants outstanding, ending balance | shares 37,305,070
Warrants exercisable | shares 37,305,070
Weighted average exercise price warrants outstanding, beginning balance | $ / shares $ 0.10
Weighted average exercise price warrants issued | $ / shares 0.02
Weighted average exercise price warrants expired | $ / shares
Weighted average exercise price warrants outstanding, ending balance | $ / shares 0.09
Weighted average exercise price warrants exercisable | $ / shares $ 0.09