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Note 9 - Incentive Plans (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Shares Available Under Long-term Incentive Plan [Table Text Block] |
|  | September 30, 2022 |
Approved and authorized awards |  |  | 14,340,039 |
Awards issued under plan |  |  | (13,769,191 | )
Awards available for future grant |  |  | 570,848 |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Stock Options |  |  | Exercise Price |  |  | Remaining Term in Years |  |  | Intrinsic Value (in thousands) |
Outstanding at December 31, 2020 |  |  | 9,705,495 |  |  | $ | 10.00 |  |  |  | 9.7 |  |  | $ | 57,942 |
Awards granted |  |  | 442,500 |  |  | $ | 14.36 |  |  |  |  |  |  |  |  |
Exercised |  |  | (154,268 | ) |  | $ | 10.00 |  |  |  |  |  |  |  |  |
Forfeitures |  |  | (10,000 | ) |  | $ | 10.00 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2021 |  |  | 9,983,727 |  |  | $ | 10.19 |  |  |  | 8.7 |  |  | $ | 44,395 |
Awards granted |  |  | 1,564,500 |  |  | $ | 25.07 |  |  |  |  |  |  |  |  |
Exercised |  |  | (12,000 | ) |  | $ | 10.00 |  |  |  |  |  |  |  |  |
Forfeitures |  |  | (18,999 | ) |  | $ | 18.66 |  |  |  |  |  |  |  |  |
Outstanding at September 30, 2022 |  |  | 11,517,228 |  |  | $ | 12.20 |  |  |  | 8.2 |  |  | $ | 115,484 |
Vested at December 31, 2021 |  |  | 8,551,070 |  |  | $ | 10.13 |  |  |  | 8.7 |  |  | $ | 38,556 |
Exercisable at December 31, 2021 |  |  | 8,551,070 |  |  | $ | 10.13 |  |  |  | 8.7 |  |  | $ | 38,556 |
Vested at September 30, 2022 |  |  | 11,218,914 |  |  | $ | 12.00 |  |  |  | 8.2 |  |  | $ | 114,169 |
Exercisable at September 30, 2022 |  |  | 11,218,914 |  |  | $ | 12.00 |  |  |  | 8.2 |  |  | $ | 114,169 |

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