Note 8 - Leases - Schedule of Lease Cost (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating lease cost	$ 535	$ 1,062	$ 1,632	$ 2,100
Net lease cost	$ 535	$ 1,062	$ 1,632	$ 2,100