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Note 6 - Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Jun. 30, 2023
Notes Tables |
Comprehensive Income (Loss) [Table Text Block] |
(In thousands) |  | Unrealized Gain (Loss) on Available-for-Sale Securities |  |  | Foreign Currency Translation Gain (Loss) |  |  | Accumulated Other Comprehensive Gain (Loss) |
Balances at September 30, 2022 |  | $ | (1,224 | ) |  | $ | (674 | ) |  | $ | (1,898 | )
Other comprehensive income for the three months ended December 31, 2022 |  |  | 141 |  |  |  | 1,024 |  |  |  | 1,165 |
Balances at December 31, 2022 |  | $ | (1,083 | ) |  | $ | 350 |  |  | $ | (733 | )
Other comprehensive income for the three months ended March 31, 2023 |  |  | 197 |  |  |  | 302 |  |  |  | 499 |
Balances at March 31, 2023 |  | $ | (886 | ) |  | $ | 652 |  |  | $ | (234 | )
Other comprehensive income (loss) for the three months ended June 30, 2023 |  |  | 15 |  |  |  | (49 | ) |  |  | (34 | )
Balances at June 30, 2023 |  | $ | (871 | ) |  | $ | 603 |  |  | $ | (268 | )

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- Definition Tabular disclosure of components of comprehensive income (loss). Includes, but is not limited to, foreign currency translation adjustments, foreign currency transactions designated as economic hedges of a net investment in foreign entity, gain (loss) and prior service cost (credit) for pension plans and other postretirement benefit plans. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Paragraph 1 -Section 45 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-1 + Details
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