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Note 6 - Comprehensive Income - Components of Comprehensive Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 15 Months Ended
--- | --- | ---
Jul. 31, 2024 | Jul. 31, 2023 | Jul. 31, 2024
Change in unrealized gains on available-for-sale fixed income securities | $ 224 | $ (270) |
Change in unrealized gains on available-for-sale fixed income securities | (47) | 58 |
Change in unrealized gains on available-for-sale fixed income securities | 177 | (212) |
Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, before Tax, Portion Attributable to Parent | 224 | (270) |
Other comprehensive income (loss), available-for-sale securities, tax expense | (47) | 58 |
Other Comprehensive Income (Loss), Available-for-Sale Securities Adjustment, Net of Tax, Portion Attributable to Parent | $ 177 | $ (212) | $ (212)

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