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Note 2 - Reportable Segments - Property, Plant, Equipment and Water Programs (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Property, plant, and equipment, net | $ 86,760 | $ 87,217
Water and Land Resources [Member] |  |
Property, plant, and equipment | 96,777 | 96,380
Less accumulated depreciation | (10,103) | (9,238)
Property, plant, and equipment, net | 86,674 | 87,142
Water Treatment [Member] |  |
Property, plant, and equipment | 257 | 214
Less accumulated depreciation | (171) | (139)
Property, plant, and equipment, net | 86 | 75
Land and Land Improvements [Member] | Water and Land Resources [Member] |  |
Property, plant, and equipment | 33,004 | 32,357
Land and Land Improvements [Member] | Water Treatment [Member] |  |
Property, plant, and equipment | 0 | 0
Water Programs [Member] | Water and Land Resources [Member] |  |
Property, plant, and equipment | 29,331 | 29,209
Water Programs [Member] | Water Treatment [Member] |  |
Property, plant, and equipment | 0 | 0
Pipelines [Member] | Water and Land Resources [Member] |  |
Property, plant, and equipment | 22,099 | 22,096
Pipelines [Member] | Water Treatment [Member] |  |
Property, plant, and equipment | 0 | 0
Building [Member] | Water and Land Resources [Member] |  |
Property, plant, and equipment | 1,805 | 1,730
Building [Member] | Water Treatment [Member] |  |
Property, plant, and equipment | 0 | 0
Leasehold Improvements, Furniture, Fixtures [Member] | Water and Land Resources [Member] |  |
Property, plant, and equipment | 1,605 | 1,605
Leasehold Improvements, Furniture, Fixtures [Member] | Water Treatment [Member] |  |
Property, plant, and equipment | 4 | 4
Machinery and Equipment [Member] | Water and Land Resources [Member] |  |
Property, plant, and equipment | 3,826 | 3,719
Machinery and Equipment [Member] | Water Treatment [Member] |  |
Property, plant, and equipment | 247 | 210
Construction in Progress [Member] | Water and Land Resources [Member] |  |
Property, plant, and equipment | 5,107 | 5,664
Construction in Progress [Member] | Water Treatment [Member] |  |
Property, plant, and equipment | $ 6 | $ 0

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