Quarterly report pursuant to Section 13 or 15(d)

5. STOCK OPTIONS AND WARRANTS (Details - Warrants by exercise price)

v3.19.2
5. STOCK OPTIONS AND WARRANTS (Details - Warrants by exercise price)
3 Months Ended
Jul. 31, 2019
$ / shares
shares
Warrants [Member]  
Number of Warrants exercisable 45,411,130
Weighted average exercise price exercisable | $ / shares $ 0.08
All Warrants [Member]  
Number of Warrants exercisable 45,411,130
Weighted average remaining contractual term 1 year 10 months 28 days
Weighted average exercise price exercisable | $ / shares $ 0.08
$0.12 [Member]  
Number of Warrants exercisable 17,854,308
Weighted average remaining contractual term 1 year 4 months 17 days
$0.11 [Member]  
Number of Warrants exercisable 10,000,000
Weighted average remaining contractual term 7 months 24 days
$0.065 [Member]  
Number of Warrants exercisable 769,231
Weighted average remaining contractual term 2 years 4 months 20 days
$0.0575 [Member]  
Number of Warrants exercisable 869,565
Weighted average remaining contractual term 2 years 8 months 5 days
$0.03 [Member]  
Number of Warrants exercisable 2,500,000
Weighted average remaining contractual term 3 years 3 months 29 days
$0.026 [Member]  
Number of Warrants exercisable 1,923,077
Weighted average remaining contractual term 3 years 10 months 28 days
$0.025 [Member]  
Number of Warrants exercisable 2,000,000
Weighted average remaining contractual term 2 years 11 months 26 days
$0.018 [Member]  
Number of Warrants exercisable 1,388,889
Weighted average remaining contractual term 3 years 9 months 29 days
$0.011 [Member]  
Number of Warrants exercisable 2,272,727
Weighted average remaining contractual term 4 years 3 months 4 days
$0.01 [Member]  
Number of Warrants exercisable 2,500,000
Weighted average remaining contractual term 4 years 7 months 28 days
$0.009 [Member]  
Number of Warrants exercisable 3,333,333
Weighted average remaining contractual term 4 years 11 months 4 days