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Note 5 - Assets Held for Sale (Details) (Parentheticals)
Sep. 30, 2015
a
Dec. 31, 2014
a
Upcountry Maui [Member] | Agricultural Land and Wastewater Treatment Facility [Member]    
Area of Real Estate 80
Upcountry Maui [Member]    
Area of Real Estate 630 630
West Maui [Member]    
Area of Real Estate 5
Number of Units 42