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Note 14 - Income Taxes - Consolidated Income From Continuing Operations Before Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
U.S. operations $ (5,187) $ (7,420) $ (8,442)
Foreign operations (12,344) (6,775) 1,214
Loss before taxes $ (17,531) $ (14,195) $ (7,228)