Note 12 - Convertible Senior Notes - Schedule of Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Amortization of debt issuance costs			$ 674	$ 614
The 2024 Notes and 2026 Notes [Member]
Contractual interest expense	$ 1,056	$ 1,006	2,111	2,013
Amortization of debt issuance costs	359	206	709	410
Total interest cost	$ 1,415	$ 1,212	$ 2,820	$ 2,423
Effective interest rate	5.30%	5.10%	5.30%	5.10%