Note 2 - Significant Accounting Policies (Details Textual) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
Jan. 31, 2025 |
Oct. 23, 2024 |
|||
| Insurance Premiums Dues Subscription and Software Cost Paid In Advance | $ 10,000 | $ 10,000 | ||||||||
| Cash, FDIC Insured Amount | $ 250,000 | $ 250,000 | ||||||||
| Weighted Average Number of Shares Outstanding, Basic (in shares) | [1] | 8,561,371 | 7,123,849 | 8,546,516 | 7,036,937 | |||||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 849,606 | 715,315 | ||||||||
| Research and Development Expense | $ 4,436,543 | $ 2,589,749 | $ 12,690,621 | $ 5,963,124 | ||||||
| Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense | 0 | $ 0 | ||||||||
| License Agreement [Member] | ||||||||||
| Initial Cash Payment for License Agreement | $ 1,000,000 | $ 1,000,000 | ||||||||
| Additional Cash Payment for License Agreement | $ 3,000,000 | $ 3,000,000 | ||||||||
| License Agreement, Upfront Payments [Member] | ||||||||||
| Research and Development Expense | 4,000,000 | |||||||||
| License Agreement, Value of Common Stock [Member] | ||||||||||
| Research and Development Expense | $ 4,600,000 | |||||||||
| Fair Value, Recurring [Member] | ||||||||||
| Liabilities, Fair Value Disclosure | $ 0 | $ 0 | $ 0 | |||||||
| ||||||||||