Note 10 - Loss Per Share (Details Textual) - shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 15,648,547 | 7,415,057 | 15,648,547 | 7,415,057 |
| Warrant [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 12,902,528 | 4,331,100 | 12,902,528 | 4,331,100 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 364,201 | 481,533 | 364,201 | 481,533 |
| Restricted Stock Units (RSUs) [Member] | ||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 2,381,818 | 2,602,424 | 2,381,818 | 2,602,424 |