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Note 10 - Domestic and Foreign Revenues - Revenues From Operations (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Revenues $ 13,214 $ 10,888 $ 36,207 $ 30,395
MALAYSIA        
Revenues 1,533 1,039 3,841 4,199
AUSTRALIA        
Revenues 528 336 1,947 929
GREECE        
Revenues 606 0 994 408
HUNGARY        
Revenues 0 0 0 496
All Other Foreign Countries [Member]        
Revenues 642 628 1,980 2,210
Non-US [Member]        
Revenues 3,309 2,003 8,762 8,242
UNITED STATES        
Revenues $ 9,905 $ 8,885 $ 27,445 $ 22,153