Note 15 - Retirement Plan (Details Textual) - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Employee Retirement Plan, Service Period (Year) | 3 years | |
| Employee Retirement Plan, Vesting Term (Year) | 3 years | |
| Employee Retirement Plan, Vesting Percentage | 100.00% | |
| Defined Contribution Plan, Employer Matching Contribution, Percent of Match | 50.00% | |
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 3.00% | |
| Defined Contribution Plan, Cost | $ 0.3 | $ 0.3 |