Note 7 - Share-Based Compensation (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Share-Based Payment Arrangement, Option [Member] | ||||
| Share-Based Payment Arrangement, Expense | $ 0 | $ 0 | $ 0 | $ 2,237 |
| Share-Based Payment Arrangement, Expense, Tax Benefit | 0 | 0 | 0 | 0 |
| Restricted Stock Units (RSUs) [Member] | ||||
| Share-Based Payment Arrangement, Expense | 0 | 24,590 | 0 | 49,667 |
| Share-Based Payment Arrangement, Expense, Tax Benefit | 0 | 6,148 | 0 | 12,417 |
| Phantom Share Units (PSUs) [Member] | ||||
| Share-Based Payment Arrangement, Expense | 0 | $ 413,574 | $ 466,301 | |
| Share-Based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount | $ 0 | $ 0 | ||