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Note 6 - Other Comprehensive Income (Loss) | 9 Months Ended
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Jun. 30, 2023
Notes to Financial Statements |
Comprehensive Income (Loss) Note [Text Block] | Note 6. Other Comprehensive Income (Loss) Changes in components of accumulated other comprehensive income (loss), net of tax, are as follows:
(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 The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(19)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483586/944-220-S99-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(21)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483621/220-10-S99-2 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04(23)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147483589/942-220-S99-1 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org//220/tableOfContent + Details
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