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, 2020
$ / shares
shares
Warrants outstanding, beginning balance | shares 42,077,797
Warrants issued | shares 6,833,333
Warrants expired | shares (854,308)
Warrants outstanding, ending balance | shares 48,056,822
Warrants exercisable | shares 48,056,822
Weighted average exercise price warrants outstanding, beginning balance | $ / shares $ 0.09
Weighted average exercise price warrants issued | $ / shares 0.01
Weighted average exercise price warrants expired | $ / shares 0.12
Weighted average exercise price warrants outstanding, ending balance | $ / shares
Weighted average exercise price warrants exercisable | $ / shares $ 0.07