Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Components of provision for income taxes
Income tax expense	$ 342	$ 1,059
Current foreign tax expense	51	315
Current state tax expense	$ 291	$ 744

Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.

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