Note 4 - Goodwill and Intangible Assets - Schedule of Goodwill (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Balance	$ 1,943	[1]
Foreign currency translation adjustments	(32)
Balance	$ 1,911

[1] Derived from the Company's audited consolidated financial statements as of December 31, 2018.