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Note 3 - Revenues - Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Revenues $ 94,135 $ 112,250
Transferred at Point in Time [Member]    
Revenues 90,420 108,558
Transferred over Time [Member]    
Revenues 3,715 3,692
Instruments, Equipment, Software, and Accessories [Member]    
Revenues 86,964 105,716
Service, Maintenance, and Warranty Contracts [Member]    
Revenues $ 7,171 $ 6,534