Note 15 - Fair Value Measurements - Schedule of the Fair Value of Available-for-sale Securities (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Available for sale securities, amortized cost	$ 187,106	$ 181,217
Available for sale securities, fair value	187,127	181,210
Available for sale securities, gross unrealized gains (losses)	21	(7)
US Treasury Securities [Member]
Available for sale securities, amortized cost	187,106	181,217
Available for sale securities, fair value	187,127	181,210
Available for sale securities, gross unrealized gains (losses)	$ 21	$ (7)