Note 7 - Share-Based Compensation (Details Textual) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share-Based Payment Arrangement, Option [Member] | ||
| Share-Based Payment Arrangement, Expense | $ 0 | $ 2,237 |
| Share-Based Payment Arrangement, Expense, Tax Benefit | 0 | 0 |
| Restricted Stock Units (RSUs) [Member] | ||
| Share-Based Payment Arrangement, Expense | 0 | 24,590 |
| Share-Based Payment Arrangement, Expense, Tax Benefit | 0 | 6,148 |
| Phantom Share Units (PSUs) [Member] | ||
| Share-Based Payment Arrangement, Expense | 11,969 | $ 52,727 |
| Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount | $ 0 | |