Note 10 - Other Intangible Assets - Definite-lived Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2019	Dec. 31, 2018
Estimated useful life (Year)
Gross amount	$ 23,384
Accumulated amortization	(1,781)
Net balance	$ 21,603	$ 22,232
Trade Name and Brand [Member]
Estimated useful life (Year)	10 years
Gross amount	$ 367
Accumulated amortization	(52)
Net balance	$ 315
Noncompete Agreements [Member]
Estimated useful life (Year)	5 years
Gross amount	$ 462
Accumulated amortization	(131)
Net balance	$ 331
Customer Lists [Member]
Estimated useful life (Year)	20 years
Gross amount	$ 22,555
Accumulated amortization	(1,598)
Net balance	$ 20,957