6. Investment in Local Partnerships: Starved Rock - LaSalle Manor Limited Partnership ('Starved Rock') and Edgewood (Details) (USD $)	12 Months Ended
	Mar. 30, 2013	Dec. 31, 2012	Mar. 30, 2012
Details
GAIN ON SALE OF LIMITED PARTNER INTERESTS/ LOCAL PARTNERSHIP PROPERTIES	$ 31,293		$ 108,000
Starved Rock Distributions to Trust			30,000
LOSS ON SALE OF PROPERTY		$ 232,801