v3.26.3
Note 3 - Investments - Schedule of Investments (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Debt Securities, Available-for-sale, Adjusted Cost $ 3,263 $ 15,972
Debt Securities, Available-for-sale, Unrealized Gain 0 0
Debt Securities, Available-for-sale, Unrealized Loss (316) (864)
Debt Securities, Available-for-sale, Fair Value 2,947 15,108
Proceeds from sales of available-for-sale securities 12,696 6,678
Gross realized gains 58 24
Gross realized losses (606) (32)
Financial instrument, short-term investments 2,947 15,108
Financial instrument, long-term investments 0 0
Corporate & Government Debt Mutual Funds Securities [Member]    
Debt Securities, Available-for-sale, Adjusted Cost 3,263 10,547
Debt Securities, Available-for-sale, Unrealized Gain 0 0
Debt Securities, Available-for-sale, Unrealized Loss (316) (668)
Debt Securities, Available-for-sale, Fair Value 2,947 9,879
Financial instrument, short-term investments 2,947 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