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Income Taxes (Schedule Of Income Before Income Taxes) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Taxes [Abstract]      
Domestic $ 4,560 $ 5,086 $ 17,874
Foreign (10,951) (1,525) 538
(Loss) income before income taxes $ (6,391) $ 3,561 $ 18,412