Note 6 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Property and equipment, gross	$ 91,405	$ 88,819
Less accumulated depreciation and amortization	(34,493)	(32,014)
Property and equipment, net	56,912	56,805
Land and Land Improvements [Member]
Property and equipment, gross	16,860	16,764
Building and Building Improvements [Member]
Property and equipment, gross	53,956	52,974
Machinery and Equipment [Member]
Property and equipment, gross	9,387	8,567
Office Equipment [Member]
Property and equipment, gross	10,296	9,638
Vehicles [Member]
Property and equipment, gross	896	865
Construction in Progress [Member]
Property and equipment, gross	$ 10	$ 11