Note 4 - Property & Equipment - Property & Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property and equipment, gross	$ 49,141	$ 47,287
Less accumulated depreciation	(30,898)	(29,886)
Property and equipment, net	18,243	17,401
Land [Member]
Property and equipment, gross	7,706	7,715
Land Improvements [Member]
Property and equipment, gross	13,456	12,213
Building [Member]
Property and equipment, gross	20,502	19,335
Machinery and Equipment [Member]
Property and equipment, gross	6,949	6,658
Construction in Progress [Member]
Property and equipment, gross	$ 528	$ 1,366