Note 2 - Acquistions - Recognized Identifiable Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Liabilities
Bargain purchase gain	$ (0)	$ (0)	$ 1,300
Sonatide [Member]
Assets
Current assets			12,894
Net properties and equipment and other assets			2,907
Total assets			15,801
Liabilities
Current liabilities			283
Other liabilities			2,995
Total liabilities			3,278
Net assets acquired			11,223
Bargain purchase gain			$ 1,300