Note 5 - Goodwill and Intangible Assets - Intangible Assets, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Accumulated amortization	$ (10,020)	$ (9,287)
Intangible assets, gross	41,686	41,880
Intangible assets, net	31,666	32,593
Trade Names [Member]
Trade name - not subject to amortization	20,168	20,179
Customer Relationships [Member]
Finite-lived intangible assets, gross	21,259	21,442
Accumulated amortization	(9,812)	(9,101)
Finite-lived intangible assets, net	11,447	12,341
Noncompete Agreements [Member]
Finite-lived intangible assets, gross	259	259
Accumulated amortization	(208)	(186)
Finite-lived intangible assets, net	$ 51	$ 73