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Note 1 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2024

Notes Tables

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

		Years
Buildings			20	-	50
Machinery and equipment			5	-	15
Software			3	-	5

Property, Plant and Equipment [Table Text Block]

		2024				2023
Land		$	6,116			$	6,214
Buildings			123,199				121,517
Machinery and equipment			229,624				227,567
			358,939				355,298
Less accumulated depreciation			(227,117	)			(220,426	)
Property, plant and equipment, net		$	131,822			$	134,872

Schedule of Finite-Lived Intangible Assets [Table Text Block]

		Years
Technology and drawings			13	-	20
Customer relationships			9	-	20
Other intangibles			2	-	18

Schedule of Product Warranty Liability [Table Text Block]

		2024				2023				2022
Balance at beginning of year		$	2,269			$	1,973			$	1,637
Provision			3,017				3,655				1,590
Acquired			-				-				646
Claims			(3,076	)			(3,359	)			(1,900	)
Balance at end of year		$	2,210			$	2,269			$	1,973

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