Note 7 - Lease Obligations (Details Textual) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Operating Lease, Right-of-Use Asset | $ 27,357 | $ 35,513 |
| Finance Lease, Right-of-Use Asset, after Accumulated Amortization | 4,900 | 2,800 |
| Leased Office Facility [Member] | ||
| Operating Lease, Right-of-Use Asset | $ 27,400 | $ 35,500 |