Note 4 - Property, Plant, Equipment and Water Programs - Property, Plant, Equipment and Water Programs (Details) - USD ($) $ in Thousands |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Property, plant, and equipment | $ 107,213 | $ 98,940 |
| Less accumulated depreciation | (11,829) | (10,578) |
| Property, plant, and equipment, net | 95,384 | 88,362 |
| Land and Land Improvements [Member] | ||
| Property, plant, and equipment | 39,211 | 33,069 |
| Water Programs [Member] | ||
| Property, plant, and equipment | 32,023 | 29,383 |
| Pipelines [Member] | ||
| Property, plant, and equipment | 22,106 | 22,100 |
| Building [Member] | ||
| Property, plant, and equipment | 1,805 | 1,805 |
| Leasehold Improvements, Furniture, Fixtures [Member] | ||
| Property, plant, and equipment | 1,623 | 1,609 |
| Machinery and Equipment [Member] | ||
| Property, plant, and equipment | 4,427 | 4,117 |
| Construction in Progress [Member] | ||
| Property, plant, and equipment | $ 6,018 | $ 6,857 |