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Note 7 - Income Taxes - Components of Income (Loss) Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
United States $ (6,405) $ (12,682)
Non-U.S. (53,861) 14,979
Total income (loss) before income taxes $ (60,266) $ 2,297