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Note 8 - Income Taxes - Income (Loss) Before Income Taxes From Continuing Operations (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Income (loss) from continuing operations, U.S. $ (42,682) $ 1,430 $ (13,420)
Income from continuing operations, Foreign 10,770 33,935 19,427
Income (loss) from continuing operations before taxes $ (31,912) $ 35,365 $ 6,007