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Note 3 - Investments - Unrealized Gains and Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2024 | Mar. 31, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Net gains and losses recognized during the period |  | $ (231) | $ 270 | $ (1,135) | $ (2,599)
Less: Net gains and losses recognized during the period on securities sold during the period |  | (3) | (13) | (256) | (13)
Unrealized gains and losses recognized during the reporting period on securities still held at the reporting date (1) | [1] | (228) | 283 | (879) | (2,586)
Net gains and losses recognized during the period |  | (65) | 0 | (20) | 0
Less: Net gains and losses recognized during the period on securities sold during the period |  | 0 | 0 | 0 | 0
Corporate debt securities |  | $ (65) | $ 0 | $ (20) | $ 0
[1] | Includes net unrealized and realized losses as a result of the measurement alternative of $240,000 and $1.0 million for the three and nine months ended March 31, 2024, respectively, and $0 and $1.8 million, for the three and nine months ended March 31, 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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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(7)(c)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 14 -Publisher FASB -URI https://asc.fasb.org/1943274/2147481800/320-10-50-14 + Details
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