Note 2 - Investments in and Advances To Local Limited Partnerships: Condensed Combined Balance Sheets of the Local Partnerships (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation		$ (2,458)	$ (2,369)
UnauditedMember
Assets
Land	$ 345	345
Buildings and Improvements, Gross	2,907	2,894
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate, Accumulated Depreciation	(2,546)	(2,458)
Other Partnership Assets	144	119
Partnership Assets	850	900
Liabilities and Partners' Deficit:
Other Notes Payable	604	618
Other Liabilities	1,386	1,387
Partnership Equity (Deficit)	(1,140)	(1,105)
Partnership Liabilities and Equity (Deficit)	$ 850	$ 900