Goodwill and Intangible Assets (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2018 USD ($)
Goodwill [Roll Forward]
Goodwill beginning balance	$ 471	[1]
Foreign currency translation	(19)
Goodwill ending balance	$ 452

[1] Derived from the audited December 31, 2017 financial statements