Note 2 - Investments in and Advances to Local Limited Partnerships: Condensed Combined Results of Operations of the Local Limited Partnerships (Details) - Partnership Interest - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Revenues
Rental Income, Nonoperating	$ 394	$ 371
Expenses
Operating Costs and Expenses	279	281
Financial expenses	33	36
Depreciation, Depletion and Amortization, Nonproduction	89	89
Total expenses	401	406
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ (7)	$ (35)