Note 6 - Leases - Lease Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Operating lease expense	$ 2,556	$ 230	$ 3,166	$ 608
Short-term lease expense	26	69	79	200
Total lease expense	2,582	299	3,245	808
Cash flows from operating activities			968	684
In exchange for new operating lease liabilities during the period			147,829	1,332
Office Leases [Member]
Operating lease expense	676	230	1,286	608
Land Lease [Member]
Operating lease expense	$ 1,880	$ 0	$ 1,880	$ 0