2. Investment in Local Partnerships: Certain unaudited balance sheet and operating statement data (Details) (USD $)	3 Months Ended
	Mar. 30, 2012
Investment Total Assets - St John Housing	$ 5,664,123
Investment Total Liabilities - St John Housing	3,257,692
Investment Revenue - St John Housing	368,116
Investment Net Income - St John Housing	$ 95,282