Income Taxes (Components of the provision (benefit) for income taxes) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
Federal	$ 0	$ 0	$ (10)
State	(25)	53	54
Foreign	240	368	324
Current Income Tax Expense (Benefit)	215	421	368
Deferred
Federal	(43)	(822)	311
State	7	99	119
Foreign	(159)	(49)	(39)
Deferred Income Tax Expense (Benefit)	(195)	(772)	391
Total income tax provision (benefit)	$ 20	$ (351)	$ 759