Note 10 - Basic and Diluted Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Potentially dilutive securities excluded from computation of diluted weighted average shares outstanding (in shares) | 17,380,000 | 17,828,000 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Potentially dilutive securities excluded from computation of diluted weighted average shares outstanding (in shares) | 16,352,430 | 14,061,604 |
| Restricted Stock Units (RSUs) [Member] | ||
| Potentially dilutive securities excluded from computation of diluted weighted average shares outstanding (in shares) | 1,028,125 | 3,765,625 |