Note 5 - Stock-based Compensation (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Proceeds from Stock Options Exercised | $ 0 | $ 0 |
| Share-Based Payment Arrangement, Option [Member] | ||
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 308 | |
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition | 1 year 1 month 6 days | |
| Restricted Stock [Member] | ||
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 216 | |
| Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount | $ 75 | |
| Restricted Stock [Member] | The 2024 Long-term Incentive Plan [Member] | ||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) | 3 years | |