Quarterly report [Sections 13 or 15(d)]

FAIR VALUE MEASUREMENTS (Details - Changes in fair value of warrant liability)

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FAIR VALUE MEASUREMENTS (Details - Changes in fair value of warrant liability) - USD ($)
3 Months Ended 9 Months Ended
Jan. 31, 2026
Jan. 31, 2025
Jan. 31, 2026
Jan. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Change in fair value of derivative liability $ 1,895,865 $ 4,487,000 $ (8,335,135) $ 8,400,000
Fair Value, Recurring [Member] | Warrant Liability [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Fair value, beginning 16,152,000   338,000  
Issuance of warrants 0   5,583,000  
Warrant exercises (599,135)   (599,135)  
Change in fair value of derivative liability (1,895,865)   8,335,135  
Fair value, ending $ 13,657,000   $ 13,657,000