Note 6 - Other Intangible Assets - Definite-lived Intangible Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Gross amount	$ 23,384	$ 23,384
Accumulated amortization	(3,666)	(2,409)
Net balance	19,718	20,975
Trade Name and Brand [Member]
Gross amount	367	367
Accumulated amortization	(107)	(70)
Net balance	260	297
Noncompete Agreements [Member]
Gross amount	462	462
Accumulated amortization	(270)	(177)
Net balance	192	285
Customer Lists [Member]
Gross amount	22,555	22,555
Accumulated amortization	(3,289)	(2,162)
Net balance	$ 19,266	$ 20,393