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Note 12 - Geographic Information and Major Customer Data - Revenues Based On Customer Location (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Revenues $ 134,648 $ 122,706 $ 100,326
UNITED STATES      
Revenues 28,095 26,718 20,813
Europe and Middle East [Member]      
Revenues 10,069 6,876 11,966
Asia Pacific [Member]      
Revenues [1] 96,484 89,102 67,547
Other [Member]      
Revenues 0 10 0
CHINA      
Revenues $ 75,682 $ 67,491 $ 51,726
[1] China