Investments in Local Limited Partnerships (Details 1) (USD $)	Mar. 31, 2013	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2012 Local Limited Partnership [Member]	Dec. 31, 2011 Local Limited Partnership [Member]
Assets:
Investment property, net				$ 5,931,273	$ 20,343,894
Other assets	243	408		1,269,534	2,286,156
Total Assets	636,695	2,095,617		7,200,807	22,630,050
Liabilities and Partners' Equity (Deficiency):
Mortgage notes payable				7,027,109	10,508,183
Other liabilities				760,120	10,584,002
Total Liabilities	104,330	1,154,514		7,787,229	21,092,185
Fund's equity				97,450	3,263,701
Other partners' deficiency				(683,872)	(1,725,836)
Total Partners' Equity (Deficiency)	532,365	941,103	1,320,785	(586,422)	1,537,865
Total Liabilities and Partners' Equity	$ 636,695	$ 2,095,617		$ 7,200,807	$ 22,630,050