Annual report pursuant to Section 13 and 15(d)

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

v3.7.0.1
8. STOCK OPTIONS AND WARRANTS (Details - Warrants by exercise price)
12 Months Ended
Apr. 30, 2017
$ / shares
shares
Number of Warrants exercisable 67,853,504
Five Year Term $0.075 [Member]  
Number of Warrants exercisable 1,056,000
Weighted average remaining contractual term 5 months 9 days
Five Year Term $0.12 [Member]  
Number of Warrants exercisable 35,347,508
Weighted average remaining contractual term 2 years 2 months 1 day
Five Year Term $0.18 [Member]  
Number of Warrants exercisable 19,811,200
Weighted average remaining contractual term 8 months 2 days
Five Year Term $0.11 [Member]  
Number of Warrants exercisable 10,000,000
Weighted average remaining contractual term 2 years 10 months 25 days
Five Year Term $0.065 [Member]  
Number of Warrants exercisable 769,231
Weighted average remaining contractual term 4 years 7 months 21 days
Five Year Term $0.0575 [Member]  
Number of Warrants exercisable 869,565
Weighted average remaining contractual term 4 years 11 months 4 days
$0.0575, $0.065. $0.075, $0.11, $0.12 and $0.18 [Member]  
Number of Warrants exercisable 67,853,504
Weighted average remaining contractual term 1 year 10 months 6 days
Weighted average exercise price exercisable | $ / shares $ 0.13