Note 13 - Defined Contribution Plan (Details Textual) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Defined Contribution Plan, Cost | $ 20,000 | $ 28,750 |
| DC Plan [Member] | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 4.00% | |
| Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 115,000 | |
| DC Plan [Member] | Discretionary Contributions Vesting at Two Years [Member] | ||
| Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage | 20.00% | |
| Defined Contribution, Discretionary Contribution Plan, Vesting Period (Year) | 2 years | |
| DC Plan [Member] | Discretionary Contributions Vesting Each Additional Year [Member] | ||
| Defined Contribution Plan, Employers Matching Contribution, Annual Vesting Percentage | 20.00% | |
| Defined Contribution, Discretionary Contribution Plan, Vesting Period (Year) | 6 years | |