Note 6 - Property, Plant and Equipment

6 Months Ended

Jun. 30, 2022

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

6. Property, plant and equipment

Property, plant and equipment are summarized as follows: ​

	June 30,			December 31,
	2022			2021
Land	$	3,969		$	3,969
Land improvements		5,330			5,278
Leasehold improvements		5,423			5,405
Buildings		35,226			34,635
Machinery and equipment		69,729			68,939
Furniture and fixtures		22,878			22,275
Mobile equipment and other		4,863			4,737
Construction-in-process		5,921			4,235
Total property, plant and equipment		153,339			149,473
Less accumulated depreciation		(87,168	)		(82,686	)
Net property, plant and equipment	$	66,171		$	66,787