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Note 7 - Goodwill and Other Intangible Assets - Changes in Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Balance $ 13,030 $ 13,030
Addition to goodwill from acquisition 0 0
Balance $ 13,030 $ 13,030