Note 13 - Employee Benefit Plans (Details Textual) - USD ($) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent | 12.00% | |
| Defined Contribution Plan, Employer Discretionary Contribution Amount | $ 46,000 | $ 46,000 |
| Bonus Percentage | 5.00% | |
| Accrued Bonuses, Current | $ 819,000 | 726,000 |
| President [Member] | ||
| Bonus, Maximum Threshold | 1,000,000 | |
| Accrued Bonuses, Current | $ 246,000 | $ 264,000 |
| For Employees Contributing 1 Percent of Gross Earnings [Member] | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 0.50% | |
| For Employees Contributing 2 to12 Percent of Gross Earnings [Member] | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 1.00% | |