Note 3 - Investments - Investment Income or Loss Reflected in Earnings From Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024
Realized gains (losses) on equity securities	$ (192)	$ (6,845)
Realized gains (losses) on debt securities	610	1,140
Unrealized gains (losses) on equity securities	(89)	5,669
Unrealized gains (losses) on debt securities	(146)	(7)
Unrealized gains (losses) on embedded derivatives	(12)	(102)
Unrealized gains (losses) on cash equivalents	10	(1)
Dividend and interest income	2,191	2,411
Realized foreign currency gains (losses)	21	(121)
Total Net Investment Income (Loss)	$ 2,393	$ 2,144

Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), investment in debt security measured at amortized cost (held-to-maturity) and investment in debt security measured at fair value with change in fair value recognized in net income (trading).

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Amount of realized gain (loss) from sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount of unrealized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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Amount, before tax, of realized gain (loss) from foreign currency transaction.

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Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.

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The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of derivative instruments, including options, swaps, futures, and forward contracts, held at each balance sheet date, that was included in earnings for the period.

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