Quarterly report [Sections 13 or 15(d)]

FAIR VALUE MEASUREMENTS (Details - Fair values of financial instruments)

v3.25.3
FAIR VALUE MEASUREMENTS (Details - Fair values of financial instruments) - USD ($)
Oct. 31, 2025
Apr. 30, 2025
Marketable Equity Securities [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair value of financial assets $ 201,190 $ 366,316
Money Market Account [Member] | Fair Value, Inputs, Level 1 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair value of financial assets 2,077,557 76,287
Convertible Note Receivable [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair value of financial assets 5,000,000 3,696,000
Warrant Asset Femasys [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair value of financial assets 1,120,000 3,061,000
Investment In Preferred Stock Q C L S [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair value of financial assets 20,747,000 22,474,000
Warrant Asset Q C L S [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair value of financial assets $ 11,442,000 $ 8,618,000