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Note 4 - Investments - Carrying Value of Equity Securities Without Readily Determinable Fair Values (Details) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Other investments $ 3,992 $ 3,453
Upward carrying value changes 187 1,561
Downward carrying value changes/impairments $ (13) $ (164)