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Note 2 - Investments - Unrealized Gains and Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024
Net gains and losses recognized during the period |  | $ (50) | $ (231) | $ (149) | $ (1,135)
Less: Net gains and losses recognized during the period on securities sold during the period |  | 0 | (3) | 0 | (256)
Unrealized gains and losses recognized during the reporting period on securities still held at the reporting date (1) | [1],[2] | (50) | (228) | (149) | (879)
Net gains and losses recognized during the period |  | (9) | (65) | (58) | (20)
Less: Net gains and losses recognized during the period on securities sold during the period |  | 0 | 0 | 0 | 0
Corporate debt securities, Unrealized gains (losses) |  | $ (9) | $ (65) | $ (58) | $ (20)
[1] | Includes net unrealized and realized losses of $240,000 and $1.0 million as a result of the measurement alternative for the three and nine months ended March 31, 2024, respectively. There were no amounts included as a result of the measurement alternative for the three and nine months ended March 31, 2025.
[2] | Includes net unrealized and realized losses of $775,000 as a result of the measurement alternative for the six months ended December 31, 2023. There were no amounts included as a result of the measurement alternative for the three and six months ended December 31, 2024, or for the three months ended December 31, 2023.

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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