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Note 10 - Accumulated Other Comprehensive Income (Loss) - Changes in Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2022 | Mar. 31, 2022 | Dec. 31, 2021 | Sep. 30, 2021 | Mar. 31, 2023 | Mar. 31, 2022
Statement [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance | $ 52,380 |  | $ 53,329 | $ 54,164 |  | $ 59,029 | $ 56,061 | $ 54,324 | $ 54,164 |  | $ 54,324
Net other comprehensive loss | (231) |  | (1,248) | (486) |  | (568) | (587) | (635) | (1,965) |  | (1,790)
Balance | 52,920 |  | 52,380 | 53,329 |  | 57,194 | 59,029 | 56,061 | 52,920 |  | 57,194
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] |  |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  | 3,624 |  |  |  | 6,564 | 3,624 |  | 6,564
Other comprehensive loss before reclassifications |  |  |  |  |  |  |  |  | (1,189) |  | (542)
Tax effect |  |  |  |  |  |  |  |  | 250 |  | 114
Amount reclassified from AOCI |  |  |  |  |  |  |  |  | (1,299) |  | (1,694)
Tax effect |  |  |  |  |  |  |  |  | 273 |  | 355
Net other comprehensive loss |  |  |  |  |  |  |  |  | (1,965) |  | (1,767)
Balance | 1,659 |  |  |  |  | 4,797 |  |  | 1,659 |  | 4,797
Accumulated Foreign Currency Adjustment Attributable to Parent [Member] |  |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance |  |  |  | 0 | [1] |  |  | 23 | 0 | [1] | 23
Other comprehensive loss before reclassifications |  |  |  |  |  |  |  |  | 0 |  | (13)
Tax effect |  |  |  |  |  |  |  |  | 0 | [1] | 0
Amount reclassified from AOCI |  |  |  |  |  |  |  |  | 0 | [1] | (10)
Tax effect |  |  |  |  |  |  |  |  | 0 | [1] | 0
Net other comprehensive loss |  |  |  |  |  |  |  |  | 0 |  | (23)
Balance | 0 | [1] |  |  |  | 0 |  |  | 0 | [1] | 0
AOCI Attributable to Parent [Member] |  |  |  |  |  |  |  |  |  |  |
Statement [Line Items] |  |  |  |  |  |  |  |  |  |  |
Balance | 1,890 |  | 3,138 | 3,624 |  | 5,365 | 5,952 | 6,587 | 3,624 |  | 6,587
Other comprehensive loss before reclassifications |  |  |  |  |  |  |  |  | (1,189) |  | (555)
Tax effect |  |  |  |  |  |  |  |  | 250 |  | 114
Amount reclassified from AOCI |  |  |  |  |  |  |  |  | (1,299) |  | (1,704)
Tax effect |  |  |  |  |  |  |  |  | 273 |  | 355
Net other comprehensive loss | (231) |  | (1,248) | (486) |  | (568) | (587) | (635) | (1,965) |  | (1,790)
Balance | $ 1,659 |  | $ 1,890 | $ 3,138 |  | $ 4,797 | $ 5,365 | $ 5,952 | $ 1,659 |  | $ 4,797
[1] | Amounts include no tax expense or benefit.

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