Note 13 - Net Loss Per Share - Schedule of Antidilutive Securities (Details) - shares |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-Based Payment Arrangement, Option [Member] | ||||
| Antidilutive Securities (in shares) (in shares) | 1,027,918 | 42,113 | 1,027,918 | 42,113 |
| Warrant [Member] | ||||
| Antidilutive Securities (in shares) (in shares) | 1,617,043 | 940,412 | 1,617,043 | 940,412 |
| Restricted Stock Units (RSUs) [Member] | ||||
| Antidilutive Securities (in shares) (in shares) | 0 | 0 | 0 | 0 |
| Series B Convertible Preferred Stock [Member] | ||||
| Antidilutive Securities (in shares) (in shares) | 2 | 2 | 2 | 2 |