6. Investment in Local Partnerships: Certain Unaudited Balance Sheet And Operating Statement Data for St. John Housing (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Details
Investment Total Assets - St John Housing	$ 5,522,530	$ 5,636,912
Investment Total Liabilities - St John Housing	3,093,236	3,325,051
Investment Revenue - St John Housing	1,469,771	1,444,889
Investment Net Income - St John Housing	$ 178,274	$ 85,710