Note 9 - Leases - Other Information Related to Operating and Finance Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Operating cash flows from finance leases	$ (148)	$ (90)	$ (79)
Operating cash flows from operating leases	(6,818)	(4,142)	(3,481)
Financing cash flows from finance leases	(597)	(415)	(420)
Right-of-use assets obtained in exchange for finance lease liabilities	1,466	853	507
Right-of-use assets obtained in exchange for operating lease liabilities	$ 568	$ 16,043	$ 4,471