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Note 3 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Amortization of Intangible Assets $ 1,454 $ 1,465 $ 2,920 $ 2,929