Note 6 - Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property and equipment, gross	$ 94,860	$ 94,379
Less accumulated depreciation and amortization	(39,617)	(38,797)
Property and equipment, net	55,243	55,582
Land and Land Improvements [Member]
Property and equipment, gross	17,071	17,071
Building and Building Improvements [Member]
Property and equipment, gross	54,728	54,673
Machinery and Equipment [Member]
Property and equipment, gross	9,963	9,866
Office Equipment [Member]
Property and equipment, gross	10,597	10,568
Vehicles [Member]
Property and equipment, gross	1,125	1,065
Construction in Progress [Member]
Property and equipment, gross	$ 1,376	$ 1,136