Note 8 - Long-term Debt - Schedule of Long-term Debt (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Principal	$ 120,000	$ 120,000
Unamortized debt issuance costs	(757)	(853)
Long-term debt, net of issuance costs	$ 119,243	$ 119,147