Note 9 - Revenue 1 (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Contract with Customer, Performance Obligation Satisfied in Previous Period | $ 1.7 | $ 0.6 | $ 2.2 | $ 2.1 |
| Contract with Customer, Liability, Revenue Recognized | 6.1 | $ 11.1 | ||
| Revenue, Remaining Performance Obligation, Amount | $ 305.0 | $ 305.0 | ||