Note 7 - Goodwill and Other Intangible Assets - Intangible Assets (Details) - Other Intangible Assets [Member] - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Finite-Lived Intangible Assets, Gross carrying amount	$ 15,827	$ 15,828
Finite-Lived Intangible Assets, Less: accumulated amortization	9,367	9,025
Finite-Lived Intangible Assets, Net carrying amount	$ 6,460	$ 6,803