Note 3 - Acquisition - Unaudited Pro Forma Financial Information (Details) - Honeywell International, Inc. [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Net sales	$ 615,475	$ 552,905	$ 482,562
Net income	$ 23,250	$ 40,248	$ 41,726
Diluted earnings per share (in dollars per share)	$ 3.16	$ 5.43	$ 5.69