Note 6 - Assets Held for Sale - Assets Held for Sale (Details) (Parentheticals) - a	Mar. 31, 2022	Feb. 01, 2022	Dec. 31, 2021
Kapalua Central Resort Project [Member] | Kapalua Resort [Member]
Area of real estate (Acre)	46		46
630-Acre Parcel Of Agricultural Land [Member] | Upcountry Maui [Member]
Area of real estate (Acre)	646	646	646