Note 3 - Basis of Presentation and Significant Accounting Policies - Assets by Area (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Property, Plant and Equipment and Right-of-use Assets | $ 63,208 | $ 68,099 |
| UNITED STATES | ||
| Property, Plant and Equipment and Right-of-use Assets | 34,378 | 38,071 |
| CANADA | ||
| Property, Plant and Equipment and Right-of-use Assets | $ 28,830 | $ 30,028 |