Note 5 - Intangible Assets and Goodwill - Summary of Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Indefinite-lived intangible assets	$ 1,400	$ 4,346
Intangible Assets, Gross (Excluding Goodwill), Total	17,696	33,124
Accumulated amortization	(13,333)	(11,816)
Intangible Assets, Net (Excluding Goodwill), Total	4,363	21,308
Trademarks [Member]
Intangible assets	6,880	8,915
Customer Relationships [Member]
Intangible assets	8,663	19,110
Other Intangible Assets [Member]
Intangible assets	$ 753	$ 753