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 | 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) | 25,300,000 | 21,500,000 | 25,300,000 | 21,500,000 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Antidilutive securities excluded from computation of earnings per share, amount (in shares) | 23,650,088 | 18,544,104 | 23,650,088 | 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 | 1,606,250 | 2,942,969 |