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Note 6 - Acquisition-related Items | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Business Combination Disclosure Acquisition Related Items [Text Block] |
6. | Acquisition-related items
|  | Year ended December 31, |
|  | 2021 |  |  | 2020 |
Transaction costs |  | $ | 13,030 |  |  | $ | 16,169 |
Contingent consideration fair value adjustments (note 24) |  |  | 42,686 |  |  |  | 23,393 |
Contingent consideration compensation expense |  |  | 5,292 |  |  |  | 6,286 |
|  | $ | 61,008 |  |  | $ | 45,848 |
Contingent consideration compensation expense and contingent consideration fair value adjustments relate to acquisitions made in the current year as well as the preceding four years.

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- Definition The disclosure for costs of business combination(s) (or series of individually immaterial business combinations) costs including contingent consideration fair value adjustments, transaction costs or other purchase accounting adjustments that are charged to income. + References No definition available. + Details
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- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration