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Note 14 - Income Tax - Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Balance $ 1,983 $ 1,332
Additions based on tax positions of prior years 13 534
Decreases based on tax positions of prior years (57) (34)
Additions based on tax positions of current year 245 237
Other decreases, net (76) 86
Decreases based on tax positions of prior years 57 34
Balance $ 2,222 $ 1,983