Note 7 - Property, Plant and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

	March 31,			December 31,
	2022			2021
Land	$	1,105		$	1,105
Buildings and improvements		21,469			20,915
Machinery and equipment		122,051			120,961
Construction in progress		4,462			5,081
		149,087			148,062
Accumulated depreciation		(111,518	)		(109,852	)
Property, plant and equipment, net	$	37,569		$	38,210