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Note 3 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Amortization of Intangible Assets $ 1,572 $ 1,459 $ 4,492 $ 4,388