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Note 9 - Revenue 1 (Details Textual) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price $ 4.2 $ 0.8 $ 8.4 $ 3.1
Contract with Customer, Performance Obligation Satisfied in Previous Period     11.1 $ 19.3
Revenue, Remaining Performance Obligation, Amount $ 257.0   $ 257.0