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v3.25.2

Note 2 - Investments - Schedule of Carrying Value and Fair Value of Equity Securities (Details) - USD ($) | Jul. 31, 2025 | Apr. 30, 2025
--- | --- | ---
Equity Securities, FV-NI, Cost | $ 15,411,000 | $ 15,513,000
Equity securities | 22,126,000 | 20,879,000
Exchange Traded Funds [Member] |  |
Equity Securities, FV-NI, Cost | 15,411,000 | 15,513,000
Equity securities, gross unrealized gains | 6,743,000 | 5,450,000
Equity securities, gross unrealized losses | (28,000) | (84,000)
Equity securities | $ 22,126,000 | $ 20,879,000

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