2. Investment in Local Partnerships: Certain Unaudited Balance Sheet And Operating Statement Data for St. John Housing (Details) (USD $)	3 Months Ended
	Mar. 30, 2013
Details
Investment Total Assets - St John Housing	$ 5,560,383
Investment Total Liabilities - St John Housing	3,042,595
Investment Revenue - St John Housing	357,425
Investment Net Income - St John Housing	$ 92,227