Note 14 - Financial Instruments - Schedule of the Fair Value of Available-for-sale Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Available for sale securities, amortized cost	$ 179,089	$ 171,815
Available for sale securities, fair value	179,051	171,841
Available for sale securities, gross unrealized gains (losses)	(38)	26
US Treasury Securities [Member]
Available for sale securities, amortized cost	179,089	171,815
Available for sale securities, fair value	179,051	171,841
Available for sale securities, gross unrealized gains (losses)	$ (38)	$ 26