Note 3 - Acquisition - Unaudited Pro Forma Financial Information (Details) - Honeywell International, Inc. [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Net sales	$ 461,833	$ 615,475	$ 552,905
Net income	$ 12,518	$ 23,250	$ 40,248
Diluted earnings per share (in dollars per share)	$ 1.7	$ 3.16	$ 5.43