Income Taxes Component of Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Domestic	$ (7,435)	$ (5,466)	$ (1,631)
Foreign	(2,071)	(1,171)	(1,688)
Total loss before income taxes	$ (9,506)	$ (6,637)	$ (3,319)