Note 3 - Property (Details Textual) - Land [Member]	12 Months Ended
	Dec. 31, 2019 ft² a
Area of Land	22,800
West Maui [Member]
Area of Land	20,700
Area of Elevation from Sea | ft²	5,700
West Maui [Member] | Kapalua Resort [Member]
Area of Land	3,000
Area of Land Designated	900
Upcountry Maui [Member]
Area of Land	2,100