Note B - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Schedule of Useful Lives of Property, Plant and Equipment [Table Text Block]

	Useful lives (in years)
Buildings		20 - 42
Land improvements		10
Machinery and equipment		2 - 20
Furniture and fixtures		3 - 7
Computer equipment and software		3 - 10
Leasehold improvements		The shorter of the life of the applicable lease or the useful life of the improvement
Transportation equipment		5

Schedule of Product Warranty Liability [Table Text Block]

	Year ended December 31,
	2022			2021
Beginning Balance, January 1	$	263		$	703
Warranty costs incurred		(85	)		(826	)
Provision for warranty		(38	)		386
Ending Balance, December 31	$	140		$	263