Note 13 - Retirement Savings Plan (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 100.00% | 100.00% |
| Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 4.00% | 4.00% |
| Defined Contribution Plan, Employer Contribution Amount | $ 125,328 | $ 192,499 |
| Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 0 | $ 0 |