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Note 4 - Goodwill - Changes in Carrying Amount of Goodwill (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2023
Dec. 31, 2022
Balance $ 18,904 $ 0
Acquisitions   19,167
Effect of foreign currency translation (33) (263)
Balance $ 18,871 $ 18,904