Note 2 - Investments in and Advances To Local Limited Partnerships: Estimated condensed combined statements of operations for Local Partnerships (Details) - Partnership Interest - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenues
Rental Income, Nonoperating	$ 95	$ 83	$ 284	$ 267
Expenses
Operating Costs and Expenses	62	60	210	206
Financial expenses	6	6	18	18
Depreciation, Depletion and Amortization, Nonproduction	22	22	67	67
Total expenses	90	88	295	291
Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	$ 5	$ (5)	$ (11)	$ (24)