Note 12 - Equity - Assumptions (Details) - Share-Based Payment Arrangement, Option [Member] |
3 Months Ended | 12 Months Ended | |
|---|---|---|---|
Mar. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Risk free rate | 4.35% | ||
| Dividend yield | 0.00% | ||
| Expected volatility | 86.00% | ||
| Expected term (in years) (Year) | 3 years | ||
| Minimum [Member] | |||
| Risk free rate | 3.98% | 3.75% | |
| Dividend yield | 0.00% | ||
| Expected volatility | 93.18% | 86.50% | |
| Expected term (in years) (Year) | 3 years 1 month 13 days | 3 years 10 months 28 days | |
| Maximum [Member] | |||
| Risk free rate | 3.82% | ||
| Expected volatility | 87.60% | ||
| Expected term (in years) (Year) | 4 years 11 months 4 days | ||