Note 3 - Acquisition - Proforma Information (Details) - Alfamation [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenue	$ 30,272	$ 37,955	$ 99,015	$ 118,185
Net earnings	$ 495	$ 2,779	$ 1,205	$ 10,696
Diluted earnings per share (in dollars per share)	$ 0.04	$ 0.23	$ 0.1	$ 0.93