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Note 8 - Geographic Information and Major Customer Data - Revenues Based On Customer Location (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Revenues $ 28,735 $ 34,391
UNITED STATES    
Revenues 4,441 6,746
Europe and Middle East [Member]    
Revenues 3,193 1,102
Asia Pacific [Member]    
Revenues [1] 20,626 26,543
Other [Member]    
Revenues 475 0
CHINA    
Revenues $ 17,763 $ 22,971
[1] China