Note 5 - Assets Held for Sale and Real Estate Sales - Assets Held for Sale (Details) (Parentheticals) - a	Sep. 30, 2016	Dec. 31, 2015
630-Acre Parcel Of Agricultural Land [Member] | Upcountry Maui [Member]
Area of Real Estate	630	630
Five Acre Fully Entitled, 42-unit Workforce Housing Project [Member] | West Maui [Member]
Area of Real Estate	5	5
Agricultural Land and Wastewater Treatment Facility [Member] | Upcountry Maui [Member]
Area of Real Estate	80	80