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Note 2 - Foreign Exchange Rates (Details Textual)
$ in Millions
9 Months Ended
Sep. 30, 2025
USD ($)
Sep. 30, 2024
Dec. 31, 2024
USD ($)
Contract
Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax $ 22.1   $ 52.7
Foreign Exchange Forward [Member]      
Derivative, Value of contracts $ 5.3    
Derivative, Number of Instruments Held | Contract     0
Currency Concentration Risk [Member] | Revenue Benchmark [Member] | Other Currency [Member]      
Concentration Risk, Percentage 25.20% 22.30%