Note 2 - Income (Loss) Per Share - Antidilutive Securities Excluded from Calculation of Diluted Income (Loss) Per Share (Details) - shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Total anti-dilutive securities (in shares) | 9,869,253 | 2,998,016 | 9,869,253 | 2,998,016 |
| Restricted Stock Units (RSUs) [Member] | ||||
| Total anti-dilutive securities (in shares) | 1,836,203 | 836,393 | 1,836,203 | 836,393 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Total anti-dilutive securities (in shares) | 331,667 | 331,667 | 331,667 | 331,667 |
| Warrant [Member] | ||||
| Total anti-dilutive securities (in shares) | 7,701,383 | 1,829,956 | 7,701,383 | 1,829,956 |