Note 12 - Net Loss Per Share - Antidilutive Securities Excluded from Computation of Earnings Per Share (Details) - shares |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) | 5,590,686 | 1,267,913 |
| Convertible Debt Securities [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) | 2,828,083 | 0 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) | 426,409 | 510,753 |
| The 2021 Employee Stock Purchase Plan [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) | 4,829 | 484 |
| Restricted Stock Units (RSUs) [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) | 2,316,365 | 662,896 |
| Performance Shares [Member] | ||
| Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) | 15,000 | 93,780 |