Note 8 - Stock Compensation Plans (Details Textual) - USD ($) $ / shares in Units, shares in Millions, $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2023 |
Jun. 30, 2022 |
Jun. 30, 2023 |
Jun. 30, 2022 |
|
| Share-Based Payment Arrangement, Expense | $ 0.8 | $ 0.1 | $ 2.0 | $ 0.1 |
| Share Price (in dollars per share) | $ 8.57 | $ 8.57 | ||
| Restricted Stock Units (RSUs) [Member] | ||||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding | $ 8.9 | $ 8.9 | ||
| Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount | $ 5.5 | $ 5.5 | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) | 391,049 | 391,049 | ||