Note 10 - Income Taxes - Components of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Federal	$ 3,188	$ 1,937	$ 467
State and local	(1,121)	668	(881)
Foreign	1,691	(1,478)	1,117
Total current income tax expense	3,758	1,127	703
Federal	0	2,370	89
State and local	0	(820)	(12)
Foreign	(871)	2,361	(323)
Total deferred income tax expense (benefit)	(871)	3,911	(246)
Total	$ 2,887	$ 5,038	$ 457