Discontined Operations Discontinued Operations Narrative (Details) (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets of Disposal Group, Including Discontinued Operation	$ 9,963,239		$ 32,580,427
Gain (Loss) on Sale of Properties	1,775,527	0
Interest Income, Operating	1,244,985	39,345
Other income	250,000	0
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest	1,933,019	235,148
Boston Capital Limited Partners [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Limited Partners			2
churchland [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		46,000
Eagle Ridge [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax		34,000
Greens of Pine Glen [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Limited Partners' Contributed Capital			961,000
Limited Partner Contribution promise			2,200,000
Available-for-Sale Securities, Asset Ownership			100.00%
Available-for-sale Security, Maturity Date at a point in time			Oct. 01, 2047
Loans Payable			850,000
Construction Completion, Percentage			75.00%
Property, Plant and Equipment, Net	8,231,717		8,400,000
Assets of Disposal Group, Including Discontinued Operation	9,963,239		12,200,000
business disposal, sales price			7,300,000
Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax	157,492	17,000
Greens of Pine Glen [Member] | Boston Capital Limited Partners [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Limited Partners			2
Greens of Pine Glen [Member] | Series A [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			6.50%
Available-for-sale Securities, at Par Value			8,500,000
Greens of Pine Glen [Member] | Series B [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			12.00%
Available-for-sale Securities, at Par Value			950,000
Ohio Properties [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Limited Partners' Contributed Capital	6,500,000
Gain (Loss) on Sale of Properties	1,800,000
Investment Income, Interest	3,500,000
Interest Income, Operating	1,100,000
Other income	250,000
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest		$ 138,000