Note 3 - Investments - Schedule of Investments (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Jun. 30, 2025
Debt Securities, Available-for-sale, Adjusted Cost	$ 4,292	$ 15,972
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(389)	(864)
Debt Securities, Available-for-sale, Fair Value	3,903	15,108
Financial instrument, short-term investments	3,903	15,108
Financial instrument, long-term investments	0	0
Corporate & Government Debt Mutual Funds Securities [Member]
Debt Securities, Available-for-sale, Adjusted Cost	4,292	10,547
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	(389)	(668)
Debt Securities, Available-for-sale, Fair Value	3,903	9,879
Financial instrument, short-term investments	3,903	9,879
Financial instrument, long-term investments	0	0
Corporate & Government Debt ETFs Securities [Member]
Debt Securities, Available-for-sale, Adjusted Cost	0	5,425
Debt Securities, Available-for-sale, Unrealized Gain	0	0
Debt Securities, Available-for-sale, Unrealized Loss	0	(196)
Debt Securities, Available-for-sale, Fair Value	0	5,229
Financial instrument, short-term investments	0	5,229
Financial instrument, long-term investments	$ 0	$ 0

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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+ Details

- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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