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Note 6 - Goodwill - Goodwill (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Balance $ 4,805 $ 4,805
Goodwill acquired during year 0 0
Impairment loss 0 0
Balance $ 4,805 $ 4,805