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Note 9 - Stockholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2024
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
|  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual term |  |  | Aggregate intrinsic-value |
Outstanding at the beginning of the year |  |  | 99,425 |  |  | $ | 20.74 |  |  |  | 2.5 |  |  | $ | 316 |
Granted |  |  | 10,600 |  |  |  | 19.61 |  |  |  |  |  |  |  |  |
Exercised |  |  | (26,000 | ) |  |  | 14.77 |  |  |  |  |  |  |  |  |
Forfeited or expired |  |  | — |  |  |  | — |  |  |  |  |  |  |  |  |
Outstanding at the end of the year |  |  | 84,025 |  |  | $ | 22.45 |  |  |  | 2.7 |  |  | $ | 765 |
Exercisable at the end of the year |  |  | 60,475 |  |  | $ | 23.12 |  |  |  | 1.5 |  |  | $ | 510 |
Share-Based Payment Arrangement, Restricted Stock Unit, Activity [Table Text Block] |
|  | Number of RSUs and PSUs |  |  | Weighted average grant-date fair value |
Unvested as at the beginning of the year |  |  | 1,281,751 |  |  | $ | 24.97 |
Granted |  |  | 917,455 |  |  |  | 20.14 |
Vested |  |  | (405,205 | ) |  |  | 31.27 |
Forfeited |  |  | (190,493 | ) |  |  | 21.55 |
Unvested at the end of the year |  |  | 1,603,508 |  |  | $ | 21.01 |

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