Note 8 - Leases - Components of Operating Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
General and Administrative Expense [Member]
Long-term operating	$ 476	$ 479	$ 929	$ 930