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Note 7 - Land, Orchards, and Equipment, Stated at Cost (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Land, orchards and equipment, gross $ 103,340 $ 103,415
Less accumulated depreciation and amortization 54,850 52,162
Land, orchards and equipment (net) 48,490 51,253
Land [Member]    
Land, orchards and equipment, gross 10,745 10,745
Land Improvements [Member]    
Land, orchards and equipment, gross 2,016 2,016
Machinery and Equipment [Member]    
Land, orchards and equipment, gross 11,891 8,663
Irrigation Well And Equipment [Member]    
Land, orchards and equipment, gross 2,615 2,592
Producing Orchards [Member]    
Land, orchards and equipment, gross 76,073 76,073
Construction in Progress [Member]    
Land, orchards and equipment, gross $ 3,326