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Note 16 - Income Taxes - Components of Income (Loss) Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Domestic $ 74,841 $ 81,893 $ 69,929
Foreign 6,352 9,762 4,506
Income before income taxes $ 81,193 $ 91,655 $ 74,435