Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2022

Property, Plant and Equipment [Abstract]

Schedule of Property, Plant and Equipment

Property, plant and equipment consist of the following at December 31:

	2022		2021
Land	$	4,027	$	4,027
Building and improvements	97,214		95,518
Machinery and equipment	269,745		256,478
Construction in progress	22,161		16,601
	393,147		372,624
Less:  Accumulated depreciation	(277,536)		(263,761)
	$	115,611	$	108,863