Note 5 - Goodwill and Other Intangibles - Schedule of Goodwill (Details) $ in Thousands	6 Months Ended
Jun. 30, 2020 USD ($)
Balance at December 31, 2019	$ 39,951
Additions for acquisitions	26,170
Effects of currency exchange	30
Balance at June 30, 2020	$ 66,151

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

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