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Note 8 - Fair Value Measurements - Changes in Fair Value of Level 3 Assets and Liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Contingent Payments [Member] |  |  |  |
Balance at beginning of reporting period, liability | $ 0 | $ (769) | $ (62) | $ (924)
Included in interest income (expense), liability | 0 | (8) | 0 | (21)
Included in other comprehensive income (loss), liability | 0 | 0 | 0 | 0
Included in other items, net, liability | 0 | (23) | 0 | 3
Settlements, liability | 0 | 311 | 62 | 453
Balance at end of reporting period, liability | 0 | (489) | 0 | (489)
Investment, Available-For-Sale [Member] |  |  |  |
Balance at beginning of reporting period, asset | 15,612 | 16,297 | 15,822 | 16,692
Included in interest income (expense), asset | 42 | 41 | 84 | 82
Included in other comprehensive income (loss), asset | (903) | (52) | (1,155) | (488)
Included in other items, net, asset | 0 | 0 | 0 | 0
Settlements, asset | (635) | (590) | (635) | (590)
Balance at end of reporting period, asset | $ 14,116 | $ 15,696 | $ 14,116 | $ 15,696

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- Definition Amount of gain (loss) recognized in other items, net from asset measured at fair value on recurring basis using unobservable input (level 3). + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in other items, net from liability measured at fair value on recurring basis using unobservable input (level 3). + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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