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Note 3 - Reportable Segments - Property, Plant, Equipment and Water Programs (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, plant, and equipment	$ 98,940	$ 96,594
Less accumulated depreciation	(10,578)	(9,377)
Property, plant, and equipment, net	88,362	87,217
Water and Land Resources [Member]
Property, plant, and equipment	98,683	96,380
Less accumulated depreciation	(10,397)	(9,238)
Property, plant, and equipment, net	88,286	87,142
Water Treatment [Member]
Property, plant, and equipment	257	214
Less accumulated depreciation	(181)
Property, plant, and equipment, net	76	75
Land and Land Improvements [Member]
Property, plant, and equipment	33,069	32,357
Land and Land Improvements [Member] | Water and Land Resources [Member]
Property, plant, and equipment	33,069	32,357
Water Programs [Member]
Property, plant, and equipment	29,383	29,209
Water Programs [Member] | Water and Land Resources [Member]
Property, plant, and equipment	29,383	29,209
Pipelines [Member]
Property, plant, and equipment	22,100	22,096
Pipelines [Member] | Water and Land Resources [Member]
Property, plant, and equipment	22,100	22,096
Building [Member]
Property, plant, and equipment	1,805	1,730
Building [Member] | Water and Land Resources [Member]
Property, plant, and equipment	1,805	1,730
Leasehold Improvements, Furniture, Fixtures [Member]
Property, plant, and equipment	1,609	1,609
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]
Property, plant, and equipment	4,117	3,929
Machinery and Equipment [Member] | Water and Land Resources [Member]
Property, plant, and equipment	3,870	3,719
Machinery and Equipment [Member] | Water Treatment [Member]
Property, plant, and equipment	247	210
Construction in Progress [Member]
Property, plant, and equipment	6,857	5,664
Construction in Progress [Member] | Water and Land Resources [Member]
Property, plant, and equipment	6,851	$ 5,664
Construction in Progress [Member] | Water Treatment [Member]
Property, plant, and equipment	$ 6

X

- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(8)(b))
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X

- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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+ References

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