Note 1 - Description of Business and Significant Accounting Policies (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| General and Administrative Expense | $ 3,548,867 | $ 3,091,548 | $ 7,788,021 | $ 6,506,369 | |
| Other Nonoperating Income (Expense) | $ 87 | 11,303 | $ 8,125 | 2,582 | |
| Reclassification from Professional Fees [Member] | |||||
| General and Administrative Expense | 637,493 | 1,063,534 | |||
| Reclassification from Interest Income [Member] | |||||
| Other Nonoperating Income (Expense) | $ 11,303 | $ 19,437 | |||
| Reclassifications From Investments [Member] | |||||
| Other Assets, Noncurrent | $ 67,033 | ||||