Note 7 - Leases - Operating Lease Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Other Assets [Member]
Operating	$ 7,212	$ 7,046
Other Current Liabilities [Member]
Operating	1,793	2,111
Other Noncurrent Liabilities [Member]
Operating	5,302	5,505
Other Liabilities [Member]
Present value of lease liabilities	$ 7,095	$ 7,616