Note 6 - Capitalized Product Development Costs (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Mar. 31, 2024 |
|
| Research and Development Asset Acquired in Transaction Other than Business Combination or Joint Venture Formation, Capitalized Cost | $ 440 | $ 147 |
| In Process Research and Development [Member] | ||
| Finite-Lived Intangible Asset, Useful Life (Year) | 10 years | |