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Note 10 - Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2021
Notes Tables |
Comprehensive Income (Loss) [Table Text Block] |
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, |  |  | September 30, |
(in thousands) |  | 2021 |  |  | 2020 |  |  | 2021 |  |  | 2020 |
Balance at beginning of period |  | $ | (8,115 | ) |  | $ | (9,634 | ) |  | $ | (3,420 | ) |  | $ | (7,018 | )
Foreign currency translation adjustments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) before reclassifications |  |  | (5,298 | ) |  |  | 3,110 |  |  |  | (10,110 | ) |  |  | 494 |
Amounts reclassified from accumulated other comprehensive loss |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Net current-period other comprehensive income (loss) |  |  | (5,298 | ) |  |  | 3,110 |  |  |  | (10,110 | ) |  |  | 494 |
Net unrealized gains (losses) on investments in securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Other comprehensive income (loss) before reclassifications |  |  | (45 | ) |  |  | - |  |  |  | 72 |  |  |  | - |
Amounts reclassified from accumulated other comprehensive loss |  |  | - |  |  |  | - |  |  |  | - |  |  |  | - |
Net current-period other comprehensive income (loss) |  |  | (45 | ) |  |  | - |  |  |  | 72 |  |  |  | - |
Balance at end of period |  | $ | (13,458 | ) |  | $ | (6,524 | ) |  | $ | (13,458 | ) |  | $ | (6,524 | )

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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 -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e526-108580 + Details
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Period Type: | duration

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- References No definition available. + Details
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Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration