Note 2 - Investments in and Advances to Local Limited Partnerships: Real estate and Accumulated Depreciation of the Local Limited Partnership (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Real Estate Assets	$ 3,254	$ 3,252	$ 3,239
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation	2,635	$ 2,546	$ 2,458
Better Housing Assoc. LP
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Amount of Encumbrances	589
Land	345
Buildings and Improvements, Gross	2,909
Real Estate Assets	3,254
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation	$ 2,635
Date of Construction	1982-83