Note 9 - Stock-based Compensation (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||||
|---|---|---|---|---|---|---|---|
May 12, 2026 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|||
| Restricted Stock [Member] | |||||||
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount | $ 626 | $ 626 | |||||
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year) | 1 year 6 months | ||||||
| Share-Based Payment Arrangement, Option [Member] | |||||||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate | [1] | 0.00% | 0.00% | 0.00% | 0.00% | ||
| Incentive Plan 2011 [Member] | |||||||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Additional Shares Authorized (in shares) | 1,500,000 | ||||||
| Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares) | 2,276,512 | 2,276,512 | |||||
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