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Note 4 - Investments - Unrealized Gains and Losses (Details) - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2024 | Jun. 30, 2023
Net gains and losses recognized during the period |  | $ (1,176) | $ (3,016)
Less: Net gains and losses recognized during the period on securities sold during the period |  | (266) | (13)
Unrealized gains and losses recognized during the reporting period on securities still held at the reporting date (1) | [1] | (910) | (3,003)
Net gains and losses recognized during the period |  | (7) | 0
Less: Net gains and losses recognized during the period on securities sold during the period |  | 0 | 0
Corporate debt securities, Unrealized gains (losses) |  | $ (7) | $ 0
[1] | Includes net unrealized and realized losses as a result of the measurement alternative of $1.0 million and $2.3 million for the fiscal years ended June 30, 2024, and 2023, respectively.

X
- Definition Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (FV-NI). + References No definition available. + Details
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- Definition The amount of gain (loss) realized from securities sold during the period. + References No definition available. + Details
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