Annual report pursuant to Section 13 and 15(d)

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

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STOCK OPTIONS AND WARRANTS (Details - Warrants by exercise price) - Warrant [Member] - $ / shares
 12 Months Ended
Apr. 30, 2024
Apr. 30, 2023
Apr. 30, 2022
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Warrants exercise prices $ 4.54 $ 4.99 $ 4.59
Number of warrants exercisable 18,570,847    
Weighted average remaining contractual life (years) 3 years 1 month 13 days    
Weighted average exercise price exercisable $ 4.54    
Warrant 1 [Member]      
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Warrants exercise prices $ 4.25    
Number of warrants exercisable 1,506,141    
Weighted average remaining contractual life (years) 2 years 3 months 10 days    
Warrant 2 [Member]      
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Warrants exercise prices $ 5.3125    
Number of warrants exercisable 264,706    
Weighted average remaining contractual life (years) 2 years 3 months 10 days    
Warrant 3 [Member]      
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Warrants exercise prices $ 5.00    
Number of warrants exercisable 7,000,000    
Weighted average remaining contractual life (years) 2 years 3 months 25 days    
Warrant 4 [Member]      
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Warrants exercise prices $ 6.25    
Number of warrants exercisable 1,050,000    
Weighted average remaining contractual life (years) 2 years 3 months 18 days    
Warrant 5 [Member]      
Share-Based Payment Arrangement, Option, Exercise Price Range [Line Items]      
Warrants exercise prices $ 4.00    
Number of warrants exercisable 8,750,000    
Weighted average remaining contractual life (years) 4 years 10 days