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Note 4 - Property, Plant, Equipment and Water Programs (Details Textual)
$ in Thousands
12 Months Ended
Dec. 31, 2024
USD ($)
a
Dec. 31, 2023
USD ($)
Area of Land (Acre) | a 46,000  
Depreciation | $ $ 1,214 $ 1,247
Property Related to Development of Alfalfa [Member]    
Construction in Progress, Gross | $ $ 646  
Area of Land (Acre) | a 120