Quarterly report pursuant to Section 13 or 15(d)

STOCK OPTIONS AND WARRANTS (Details - Warrant activity)

v3.22.0.1
STOCK OPTIONS AND WARRANTS (Details - Warrant activity) - Warrant [Member]
9 Months Ended
Jan. 31, 2022
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Warrants outstanding, beginning balance | shares 2,981
Weighted average exercise price warrants outstanding, beginning balance | $ / shares $ 58.70
Warrants issued | shares 18,812,261
Weighted average exercise price warrants issued | $ / shares $ 3.19
Warrants exercised | shares (8,041,414)
Weighted average exercise price warrants Exercised | $ / shares $ 1.33
Warrants expired | shares (513)
Weighted average exercise price warrants Expired | $ / shares
Warrants outstanding, ending balance | shares 10,773,315
Weighted average exercise price warrants outstanding, ending balance | $ / shares
Warrants exercisable | shares 10,773,315
Weighted average exercise price warrants exercisable | $ / shares $ 4.59