v3.26.3
FAIR VALUE MEASUREMENTS (Details - Changes in fair value of warrant liability) - USD ($)
3 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Change in fair value of warrant liability $ 4,221,000 $ 243,000
Fair Value, Recurring [Member] | Warrant Liability [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value of the warrant liability at beginning 10,068,000  
Change in fair value of warrant liability (4,221,000)  
Fair value of the warrant liability at ending $ 5,847,000