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Note 8 - Revenue 1 (Details Textual) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price $ 1.7 $ 4.2 $ 0.4 $ 2.3
Contract with Customer, Performance Obligation Satisfied in Previous Period     11.1 $ 12.6
Revenue, Remaining Performance Obligation, Amount $ 298.0   $ 298.0