Note 10 - Basic and Diluted Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Antidilutive securities excluded from computation of earnings per share, amount (in shares) | 24,900,000 | 21,500,000 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive securities excluded from computation of earnings per share, amount (in shares) | 23,302,419 | 18,544,104 |
| Restricted Stock Units (RSUs) [Member] | ||
| Antidilutive securities excluded from computation of earnings per share, amount (in shares) | 1,606,250 | 2,942,969 |