v3.26.3
FAIR VALUE MEASUREMENTS (Details - Fair values of financial instruments) - USD ($)
Jul. 31, 2026
Apr. 30, 2026
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 $ 99,462 $ 254,010
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 1,616,840 2,100,703
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 66,000 480,000
Investment In Preferred Stock - QCLS [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair value of financial assets 12,675,000 18,225,000
Warrant assets - QCLS [Member] | Fair Value, Inputs, Level 3 [Member]    
Fair Value, off-Balance-Sheet Risks, Disclosure Information [Line Items]    
Fair value of financial assets $ 5,664,000 $ 8,845,000