Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
6. STOCK OPTIONS AND WARRANTS (Details - Warrants by exercise price)
6 Months Ended
Oct. 31, 2020
$ / shares
shares
$0.12 [Member]  
Number of Warrants exercisable 17,000,000
Weighted Average Remaining Contractual Life (Years) 2 months 8 days
$0.065 [Member]  
Number of Warrants exercisable 769,231
Weighted Average Remaining Contractual Life (Years) 1 year 1 month 16 days
$0.0575 [Member]  
Number of Warrants exercisable 869,565
Weighted Average Remaining Contractual Life (Years) 1 year 5 months 1 day
$0.03 [Member]  
Number of Warrants exercisable 2,500,000
Weighted Average Remaining Contractual Life (Years) 2 years 26 days
$0.026 [Member]  
Number of Warrants exercisable 1,923,077
Weighted Average Remaining Contractual Life (Years) 2 years 7 months 28 days
$0.025 [Member]  
Number of Warrants exercisable 2,000,000
Weighted Average Remaining Contractual Life (Years) 1 year 8 months 23 days
$0.018 [Member]  
Number of Warrants exercisable 1,388,889
Weighted Average Remaining Contractual Life (Years) 2 years 6 months 29 days
$0.011 [Member]  
Number of Warrants exercisable 2,272,727
Weighted Average Remaining Contractual Life (Years) 3 years
$0.01 [Member]  
Number of Warrants exercisable 13,200,000
Weighted Average Remaining Contractual Life (Years) 4 years 5 months 1 day
$0.015 [Member]  
Number of Warrants exercisable 833,333
Weighted Average Remaining Contractual Life (Years) 4 years 5 months 20 days
$0.009 [Member]  
Number of Warrants exercisable 3,333,333
Weighted Average Remaining Contractual Life (Years) 3 years 8 months 2 days
$0.0075 [Member]  
Number of Warrants exercisable 15,666,666
Weighted Average Remaining Contractual Life (Years) 4 years 8 months 26 days
$0.005 [Member]  
Number of Warrants exercisable 20,500,000
Weighted Average Remaining Contractual Life (Years) 4 years 1 month 16 days
Warrants [Member]  
Number of Warrants exercisable 82,256,821
Weighted Average Remaining Contractual Life (Years) 3 years 3 months 11 days
Weighted average exercise price exercisable | $ / shares $ 0.03