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Note 5 - Accumulated Other Comprehensive Loss | 3 Months Ended
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Mar. 31, 2023
Notes to Financial Statements |
Comprehensive Income (Loss) Note [Text Block] | 5. Accumulated Other Comprehensive Loss The changes in accumulated other comprehensive loss by component were as follows:
|  | Three Months Ended |
|  | March 31, |
|  | 2023 |  |  | 2022 |
Foreign currency translation |  |  |  |  |  |  |  |
Balance at beginning of period |  | $ | (1,728 | ) |  | $ | (1,604 | )
Other comprehensive loss: |  |  |  |  |  |  |  |
Foreign currency translation adjustments (1) |  |  | 86 |  |  |  | (70 | )
Total accumulated other comprehensive loss |  | $ | (1,642 | ) |  | $ | (1,674 | )
(1) | In all periods presented, there were no tax impacts related to rate changes and no amounts were reclassified to earnings.

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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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