Investments in and Advances to Partnerships - Investment Reconciliation (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Reconciliation of investments in partnerships
Investments in partnerships at beginning of year			$ 2,582,473
Share of income from partnerships	126,492	50,610	136,528	167,916
Investments in partnerships at end of year	2,719,001		2,719,001
Local Partnerships [Member]
Reconciliation of investments in partnerships
Investments in partnerships at beginning of year			2,582,473
Share of income from partnerships	126,492	50,610	136,528	167,916
Investments in partnerships at end of year	$ 2,719,001		$ 2,719,001