Note 11 - 401(k) Savings Plan (Details Textual) - USD ($) $ in Millions |
6 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Defined Contribution Plan, Cost | $ 1.1 | $ 1.0 |
| First 3% of Each Participant's Contributions [Member] | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 100.00% | |
| Second Two Percent Of Each Participants Contributions [Member] | ||
| Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay | 50.00% | |