Income Taxes (Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Current:
United States federal	$ 454	$ 612
State and local	98	53
Foreign	546	367
Total current	1,098	1,032
Deferred:
United States federal	(54)	338
State and local	0	0
Foreign	24	832
Total deferred	(30)	1,170
Total income tax expense (benefit)	$ 1,068	$ 2,202