Note 13 - Net Loss per Share - Securities Excluded from Computation of Earnings per Share (Details) - shares |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Antidilutive securities (in shares) | 46,924,406 | 66,023,385 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive securities (in shares) | 12,324,495 | 9,832,030 |
| Restricted Stock [Member] | ||
| Antidilutive securities (in shares) | 12,295,240 | 6,584,240 |
| Abeyance Shares [Member] | ||
| Antidilutive securities (in shares) | 22,304,671 | 0 |
| Preferred Stock [Member] | ||
| Antidilutive securities (in shares) | 0 | 49,607,115 |