Note 12 - Geographic Information and Major Customer and Market Data - Revenues Based On Customer Location (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Revenues		$ 97,419	$ 120,583	$ 113,832
UNITED STATES
Revenues		9,551	14,155	17,844
Europe and Middle East [Member]
Revenues		12,184	9,944	6,876
Asia Pacific [Member]
Revenues	[1]	75,684	96,484	89,112
CHINA
Revenues		$ 57,507	$ 75,682	$ 67,491

[1] China