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Note 4 - Reportable Segments - Property, Plant, Equipment and Water Programs (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, plant, and equipment	$ 96,594	$ 92,279
Less accumulated depreciation	(9,377)	(8,141)
Property, plant, and equipment, net	87,217	84,138
Water and Land Resources [Member]
Property, plant, and equipment	96,380	92,110
Less accumulated depreciation	(9,238)	(8,141)
Property, plant, and equipment, net	87,142	83,969
Water Treatment [Member]
Property, plant, and equipment	214	169
Less accumulated depreciation	(139)
Property, plant, and equipment, net	75	169
Land and Land Improvements [Member]
Property, plant, and equipment	32,357	30,579
Land and Land Improvements [Member] | Water and Land Resources [Member]
Property, plant, and equipment	32,357	30,579
Water Programs [Member]
Property, plant, and equipment	29,209	29,210
Water Programs [Member] | Water and Land Resources [Member]
Property, plant, and equipment	29,209	29,210
Pipelines [Member]
Property, plant, and equipment	22,096	22,091
Pipelines [Member] | Water and Land Resources [Member]
Property, plant, and equipment	22,096	22,091
Building [Member]
Property, plant, and equipment	1,730	1,715
Building [Member] | Water and Land Resources [Member]
Property, plant, and equipment	1,730	1,715
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	1,606
Leasehold Improvements, Furniture, Fixtures [Member] | Water Treatment [Member]
Property, plant, and equipment	4	3
Machinery and Equipment [Member]
Property, plant, and equipment	3,929	3,395
Machinery and Equipment [Member] | Water and Land Resources [Member]
Property, plant, and equipment	3,719	3,229
Machinery and Equipment [Member] | Water Treatment [Member]
Property, plant, and equipment	210	166
Construction in Progress [Member]
Property, plant, and equipment	5,664	3,680
Construction in Progress [Member] | Water and Land Resources [Member]
Property, plant, and equipment	$ 5,664	$ 3,680

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
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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+ References

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