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Note 12 - Stock-based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2026
Notes Tables |
Share-Based Payment Arrangement, Option, Activity [Table Text Block] |
(in thousands, except years and per share data) |  | Awards |  |  | Weighted- Average Exercise Price |  |  | Weighted- Average Remaining Contractual Life (years) |  |  | Aggregate Intrinsic Value |
Outstanding at December 31, 2025 |  |  | 18 |  |  | $ | 137.40 |  |  |  | 9.7 |  |  | $ | 508 |
Restricted stock units granted |  |  | 21,685 |  |  |  | — |  |  |  |  |  |  |  |  |
Options forfeited/canceled |  |  | (0 | ) |  |  | 17,119.04 |  |  |  |  |  |  |  |  |
Outstanding at March 31, 2026 |  |  | 21,703 |  |  |  | 0.06 |  |  |  | 10.0 |  |  |  | 31,946 |
Vested and expected to vest at March 31, 2026 |  |  | 13,980 |  |  |  | 0.10 |  |  |  | 10.0 |  |  |  | 20,479 |
Vested and exercisable at March 31, 2026 |  |  | 0 |  |  |  | 9,095.64 |  |  |  | 3.0 |  |  |  | — |

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