Investments in Mortgage Revenue Bonds Investment in Bonds Narrative Tagging (Details) (USD $)	3 Months Ended		6 Months Ended	12 Months Ended					9 Months Ended	3 Months Ended		6 Months Ended
	Dec. 31, 2014 Integer entities properties		Jun. 30, 2014	Dec. 31, 2014 entities properties		Dec. 31, 2013 properties		Dec. 31, 2012	Sep. 30, 2014 Unit	Mar. 31, 2014 Unit	Mar. 31, 2013	Jun. 30, 2013	Sep. 30, 2013	Dec. 31, 2010	Mar. 31, 2016	Mar. 31, 2015
Loans Receivable, Net	$ 15,990,439			$ 15,990,439		$ 15,102,229
Restructuring of Available-for-sale Securities			5,500,000
Available-for-sale Securities, Fair Value Disclosure Held in Trust	378,423,092			378,423,092		216,371,801
Property loan receivable, gross	22,191,515			22,191,515		21,549,927
Available-for-sale Securities, at Par Value	409,506,066			409,506,066		299,841,918
Bond Purchase Commitment - Fair Market Value Adjustment - Asset	5,780,413			5,780,413		0
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	338,861,752			338,861,752		219,511,490
Adverse change rate	10.00%			10.00%
Number of Variable Interest Entities	11			11		6
Available-for-sale Securities, Gross Unrealized Loss				(19,582)		2,434,964
Available-for-sale Securities, Amortized Cost Basis	65,538,068			65,538,068		71,040,881
Available-for-sale Securities	70,601,045			70,601,045		68,946,370
Bond Purchase Commitment - Fair Market Value Adjustment - Liability	0			0		4,852,177
Contingent Interest Income				40,000		6,497,160		0
Mortgage Loans on Real Estate, Write-down or Reserve, Amt				0		(4,557,741)		0
Payments to Acquire Available-for-sale Securities				142,794,827		148,624,000		28,561,857
Available-for-sale Securities, Debt Securities	4,616,565			4,616,565		4,075,953
Number of Available for Sale Securities	2
Available-for-sale Securities, Gross Realized Gain (Loss)				(2,413,713)		(651,849)
Debt financing	345,359,000			345,359,000		257,274,000
Effective rate - minimum [Member]
Effective rate	4.70%			4.70%
Effective rate - maximum [Member]
Effective rate	8.30%			8.30%
10% adverse [Member] | Effective rate - minimum [Member]
Effective rate	5.10%			5.10%
10% adverse [Member] | Effective rate - maximum [Member]
Effective rate	9.10%			9.10%
Available-for-sale Securities [Member] | 10% adverse [Member]
Available-for-sale Securities, Gross Unrealized Loss				26,200,000
Trading Securities [Member]
Debt financing	174,250,000			174,250,000		164,295,000
Glenview Apts [Member]
Number of Units in Real Estate Property	88			88
Available-for-sale Securities, Gross Unrealized Loss				0
Available-for-sale Securities, Amortized Cost Basis	6,723,000			6,723,000
Available-for-sale Securities	6,723,000			6,723,000
Montclair Apts [Member]
Number of Units in Real Estate Property	80			80
Available-for-sale Securities, Gross Unrealized Loss				0
Available-for-sale Securities, Amortized Cost Basis	3,458,000			3,458,000
Available-for-sale Securities	3,458,000			3,458,000
Santa Fe Apts [Member]
Number of Units in Real Estate Property	89			89
Available-for-sale Securities, Gross Unrealized Loss				0
Available-for-sale Securities, Amortized Cost Basis	4,736,000			4,736,000
Available-for-sale Securities	4,736,000			4,736,000
Copper Gate [Member]
Number of Units in Real Estate Property						128
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2029	[1]	Dec. 01, 2029
Available-for-sale Securities, Fair Value Disclosure Held in Trust	5,783,656	[1]		5,783,656	[1]
Available-for-sale Securities, at Par Value	5,220,000	[1]		5,220,000	[1]	5,220,000
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	5,220,000	[1]		5,220,000	[1]
Available-for-sale Securities, Gross Unrealized Loss						252,648
Available-for-sale Securities, Amortized Cost Basis						5,220,000
Debt Instrument, Interest Rate, Stated Percentage	6.25%	[1]		6.25%	[1]	6.25%
Available-for-sale Securities						4,967,352
Tyler Park Apartments [Member]
Number of Units in Real Estate Property						88
Available-for-sale Securities, Gross Unrealized Loss						526,601
Available-for-sale Securities, Amortized Cost Basis						8,100,000
Available-for-sale Securities						7,573,399
Westside Village Market [Member]
Number of Units in Real Estate Property						81
Available-for-sale Securities, Gross Unrealized Loss						403,400
Available-for-sale Securities, Amortized Cost Basis						5,400,000
Available-for-sale Securities						4,996,600
The Palms at Premier Park [Member]
Number of Units in Real Estate Property						240
Available-for-sale Security, Maturity Date at a point in time				Jan. 01, 2050	[1]	Jan. 01, 2050
Available-for-sale Securities, Fair Value Disclosure Held in Trust	22,832,619	[1]		22,832,619	[1]
Available-for-sale Securities, at Par Value	20,152,000	[1]		20,152,000	[1]	20,152,000
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	20,152,000	[1]		20,152,000	[1]
Available-for-sale Securities, Gross Unrealized Loss						283,942
Available-for-sale Securities, Amortized Cost Basis						20,152,000
Debt Instrument, Interest Rate, Stated Percentage	6.25%	[1]		6.25%	[1]	6.25%
Available-for-sale Securities						19,868,058
The Suites on Paseo [Member]
Number of Units in Real Estate Property						384
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2048	[2]	Dec. 01, 2048	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	38,643,691	[2]		38,643,691	[2]	35,747,498	[2]
Available-for-sale Securities, at Par Value	35,450,000	[2]		35,450,000	[2]	35,750,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	35,450,000	[2]		35,450,000	[2]	35,750,000	[2]
Debt Instrument, Interest Rate, Stated Percentage	6.25%	[2]		6.25%	[2]	6.25%	[2]
Vantage at Harlingen [Member]
Number of Units in Real Estate Property						288
Available-for-sale Security, Maturity Date at a point in time				Sep. 01, 2053		Oct. 01, 2053
Available-for-sale Securities, at Par Value	6,692,000			6,692,000		6,692,000
Bond Purchase Commitment - Fair Market Value Adjustment - Asset	1,400,000			1,400,000
Available-for-sale Securities, Gross Unrealized Loss				0		211,735
Available-for-sale Securities, Amortized Cost Basis	6,692,000			6,692,000		6,692,000
Debt Instrument, Interest Rate, Stated Percentage	9.00%			9.00%		9.00%
Available-for-sale Securities	7,399,813			7,399,813		6,480,265
Bond Purchase Commitment - Fair Market Value Adjustment - Liability	1,700,000			1,700,000
Ohio Properties [Member]
Loans Receivable, Net	2,976,659			2,976,659		2,760,118
Property loan receivable, gross	2,390,447			2,390,447		2,361,447
Limited Partners' Contributed Capital						6,500,000					6,500,000
Greens of Pine Glen [Member]
Available-for-sale Security, Maturity Date at a point in time								Oct. 01, 2047
Loans Receivable, Net	1,081,342			1,081,342		1,005,642
Property loan receivable, gross	850,000			850,000		876,000
Limited Partners' Contributed Capital						800,000		961,000					800,000
Available-for-Sale Securities, Asset Ownership								100.00%
TOB Financing											5,800,000
Iona Lakes [Member]
Proceeds from Sale of Available-for-sale Securities			21,900,000			21,900,000
Contingent Interest Income			6,500,000			6,500,000
Mortgage Loans on Real Estate, Write-down or Reserve, Amt			4,600,000			4,600,000
Dublin [Member]
Number of Units in Real Estate Property												156
Kingswood [Member] [Member]
Number of Units in Real Estate Property												129
Waterford [Member]
Number of Units in Real Estate Property												133
Avistar at the Oaks [Member]
Number of Units in Real Estate Property			156
Available-for-sale Securities, Fair Value Disclosure Held in Trust						7,250,885	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust						8,354,000	[2]
Avistar on the Hills [Member]
Number of Units in Real Estate Property			129
Available-for-sale Securities, Fair Value Disclosure Held in Trust						4,971,276	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust						5,389,000	[2]
Avistar in 09 [Member]
Number of Units in Real Estate Property			133
Available-for-sale Securities, Fair Value Disclosure Held in Trust						6,603,746	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust						7,192,000	[2]
Renaissance Gateway [Member]
Number of Units in Real Estate Property												208
Available-for-sale Securities, Gross Unrealized Loss				0		16,964
Available-for-sale Securities, Amortized Cost Basis	12,675,000			12,675,000		7,975,000
Available-for-sale Securities	13,730,807			13,730,807		7,958,036
Bond Purchase Commitment - Fair Market Value Adjustment - Liability						600,000
Avistar on the Boulevard [Member]
Number of Units in Real Estate Property									344		344
Avistar at Chase Hill [Member]
Number of Units in Real Estate Property									232		232
Avistar at the Crest [Member]
Number of Units in Real Estate Property									200		200
Avistar Portfolio [Member]
Loans Receivable, Net	290,966			290,966
Restructuring of Available-for-sale Securities			4,700,000
Property loan receivable, gross	274,496			274,496
Debt Instrument, Interest Rate, Stated Percentage			12.00%
Debt Instrument, Maturity Date			Jun. 26, 2024
Vantage at Judson [Member]
Number of Units in Real Estate Property								288
Available-for-sale Security, Maturity Date at a point in time				Feb. 01, 2053		Feb. 01, 2053		Feb. 01, 2053
Available-for-sale Securities, at Par Value	6,049,000			6,049,000		6,049,000
Available-for-sale Securities, Gross Unrealized Loss				0		190,423
Available-for-sale Securities, Amortized Cost Basis	6,049,000			6,049,000		6,049,000
Debt Instrument, Interest Rate, Stated Percentage	9.00%			9.00%		9.00%		9.00%
Contingent Interest Percentage								3.00%
Available-for-sale Securities	6,766,230			6,766,230		5,858,577
Forward Bond Commitment, Gross Unrealized Loss				(2,000,000)		2,000,000
Arbors at Hickory Ridge [Member]
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2049	[1]	Dec. 01, 2049	[2]
Loans Receivable, Net	217,311			217,311		204,243
Available-for-sale Securities, Fair Value Disclosure Held in Trust	13,363,236	[1]		13,363,236	[1]	11,801,899	[2]
Property loan receivable, gross	191,264			191,264		191,264
Available-for-sale Securities, at Par Value	11,450,000	[1]		11,450,000	[1]	11,450,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	11,570,933	[1]		11,570,933	[1]	11,576,209	[2]
Debt Instrument, Interest Rate, Stated Percentage	6.25%	[1]		6.25%	[1]	6.25%	[2]
TOB Financing											7,000,000
Pro Nova 1 and 2 [Member]
Debt Instrument, Maturity Date	Jul. 01, 2017
Discounted Purchase Price of Available-for-sale Security	99.00%			99.00%
TOB Financing	18,000,000			18,000,000
Long-term Debt, Percentage Bearing Fixed Interest, Percentage Rate	4.00%			4.00%
Pro Nova 2014-2 [Member]
Available-for-sale Security, Maturity Date at a point in time				May 01, 2025
Available-for-sale Securities, at Par Value	10,000,000			10,000,000
Debt Instrument, Interest Rate, Stated Percentage	5.25%			5.25%
Debt Instrument, Maturity Date	May 01, 2025
Available-for-sale Securities, Held in Trust, at Par Value	10,000,000			10,000,000
Pro Nova 2014-1 [Member]
Available-for-sale Security, Maturity Date at a point in time				May 01, 2034
Available-for-sale Securities, at Par Value	10,000,000			10,000,000
Debt Instrument, Interest Rate, Stated Percentage	6.00%			6.00%
Debt Instrument, Maturity Date	May 01, 2034
Available-for-sale Securities, Held in Trust, at Par Value	10,000,000			10,000,000
Heritage Square [Member]
Number of Units in Real Estate Property									204
Available-for-sale Securities, Gross Unrealized Loss				0
Available-for-sale Securities, Amortized Cost Basis	11,705,000			11,705,000
Debt Instrument, Maturity Date	Sep. 01, 2051
Available-for-sale Securities	12,814,125			12,814,125
Bruton Apartments [Member]
Number of Units in Real Estate Property									264
Available-for-sale Security, Maturity Date at a point in time									Aug. 01, 2054
Debt Instrument, Interest Rate, Stated Percentage									6.00%
Available-for-sale Securities									18,100,000
Live 929 Apartments [Member]
Number of Units in Real Estate Property			572
Settlement Liabilities, Current			35,000,000
Available-for-sale Security, Maturity Date at a point in time			Jul. 01, 2049	Jul. 01, 2049	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	44,693,484	[2]		44,693,484	[2]
Available-for-sale Securities, at Par Value	40,245,000	[2]		40,245,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	40,895,739	[2]		40,895,739	[2]
Debt Instrument, Interest Rate, Stated Percentage	5.78%	[2]	5.80%	5.78%	[2]
Available-for-sale Securities			40,300,000
Payments to Acquire Available-for-sale Securities			5,300,000
Autumn Pines [Member]
Available-for-sale Security, Maturity Date at a point in time						Oct. 01, 2046	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust						11,952,518	[2]
Available-for-sale Securities, at Par Value						13,110,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust						12,147,873	[2]
Debt Instrument, Interest Rate, Stated Percentage						5.80%	[2]
Proceeds from Sale of Available-for-sale Securities			13,100,000
Available-for-sale Securities, Gross Realized Gain (Loss)			900,000
Business Acquisition, Effective Date of Acquisition			Jun. 01, 2011
Harden Ranch [Member]
Number of Units in Real Estate Property										100
Decatur-Angle [Member]
Number of Units in Real Estate Property										302
Available-for-sale Security, Maturity Date at a point in time				Jan. 01, 2054	[2]					Jan. 01, 2054
Available-for-sale Securities, Fair Value Disclosure Held in Trust	23,919,540	[2]		23,919,540	[2]
Available-for-sale Securities, at Par Value	23,000,000	[2]		23,000,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	23,000,000	[2]		23,000,000	[2]
Debt Instrument, Interest Rate, Stated Percentage	5.75%	[2]		5.75%	[2]					5.80%
Available-for-sale Securities										23,000,000
Lost Creek [Member]
Available-for-sale Securities, Fair Value Disclosure Held in Trust						17,626,172	[3]							18,500,000
Available-for-sale Securities, Amortized Cost Basis, Held in Trust						15,883,084	[3]							15,900,000
Proceeds from Sale of Available-for-sale Securities			18,700,000							18,700,000
Available-for-sale Securities, Gross Realized Gain (Loss)										2,800,000
Avistar Portolio-2 [Member]
Loans Receivable, Net	266,719			266,719
Property loan receivable, gross	251,622			251,622
Avistar Portfolio 1 and 2 [Member]
Loans Receivable, Net			526,000
Minimum [Member] | Vantage at Judson and Woodlynn Village [Member]
Unrealized Loss Position for Available-for-sale Securities				12 months
Series A [Member] | Glenview Apts [Member]
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2031
Available-for-sale Securities, at Par Value	4,670,000			4,670,000
Debt Instrument, Interest Rate, Stated Percentage	5.75%			5.75%
Available-for-sale Securities	4,700,000			4,700,000
Series A [Member] | Montclair Apts [Member]
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2031
Available-for-sale Securities, at Par Value	2,530,000			2,530,000
Debt Instrument, Interest Rate, Stated Percentage	5.75%			5.75%
Available-for-sale Securities	2,500,000			2,500,000
Series A [Member] | Santa Fe Apts [Member]
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2031
Available-for-sale Securities, at Par Value	3,065,000			3,065,000
Debt Instrument, Interest Rate, Stated Percentage	5.75%			5.75%
Available-for-sale Securities	3,000,000			3,000,000
Series A [Member] | Concord Portfolio [Member]
Debt Instrument, Interest Rate, Stated Percentage	6.00%			6.00%
Debt Instrument, Maturity Date				Dec. 01, 2031
Series A [Member] | Tyler Park Apartments [Member]
Available-for-sale Security, Maturity Date at a point in time				Jan. 01, 2030	[1]	Jan. 01, 2030
Available-for-sale Securities, Fair Value Disclosure Held in Trust	6,420,060	[1]		6,420,060	[1]
Available-for-sale Securities, at Par Value	6,075,000	[1]		6,075,000	[1]	6,075,000
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	6,075,000	[1]		6,075,000	[1]
Debt Instrument, Interest Rate, Stated Percentage	5.75%	[1]		5.75%	[1]	5.75%
Available-for-sale Securities						6,100,000
Series A [Member] | Westside Village Market [Member]
Available-for-sale Security, Maturity Date at a point in time				Jan. 01, 2030	[1]	Jan. 01, 2030
Available-for-sale Securities, Fair Value Disclosure Held in Trust	4,195,496	[1]		4,195,496	[1]
Available-for-sale Securities, at Par Value	3,970,000	[1]		3,970,000	[1]	3,970,000
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	3,970,000	[1]		3,970,000	[1]
Debt Instrument, Interest Rate, Stated Percentage	5.75%	[1]		5.75%	[1]	5.75%
Available-for-sale Securities						4,000,000
Series A [Member] | Ohio Properties [Member]
Available-for-sale Security, Maturity Date at a point in time				Jun. 01, 2050	[3]	Jun. 01, 2050	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	16,851,034	[3]		16,851,034	[3]	14,498,000	[3]
Available-for-sale Securities, at Par Value	14,407,000	[3]		14,407,000	[3]	14,498,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	14,407,000	[3]		14,407,000	[3]	14,498,000	[3]
Debt Instrument, Interest Rate, Stated Percentage	7.00%	[3]		7.00%	[3]	7.00%	[2]
Series A [Member] | Greens of Pine Glen [Member]
Available-for-sale Security, Maturity Date at a point in time				Oct. 01, 2047	[1]	Oct. 01, 2047	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	9,371,119	[1]		9,371,119	[1]	7,860,075	[2]
Available-for-sale Securities, at Par Value	8,366,000	[1]		8,366,000	[1]	8,437,501	[2]	8,515,000
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	8,366,000	[1]		8,366,000	[1]	8,437,501	[2]
Debt Instrument, Interest Rate, Stated Percentage	6.50%	[1]		6.50%	[1]	6.50%	[2]	6.50%
Series A [Member] | Dublin [Member]
Available-for-sale Securities												5,900,000.0
Series A [Member] | Kingswood [Member] [Member]
Available-for-sale Securities												3,100,000
Series A [Member] | Waterford [Member]
Available-for-sale Securities												5,500,000
Series A [Member] | Dublin, Kingswood and Waterford [Member]
Available-for-sale Security, Maturity Date at a point in time						Aug. 01, 2050
Debt Instrument, Interest Rate, Stated Percentage												6.00%
Series A [Member] | Avistar at the Oaks [Member]
Available-for-sale Security, Maturity Date at a point in time				Aug. 01, 2050	[1]	Aug. 01, 2050	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	8,669,622	[1]		8,669,622	[1]
Available-for-sale Securities, at Par Value	7,800,000	[1]		7,800,000	[1]	5,878,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	7,800,000	[1]		7,800,000	[1]
Debt Instrument, Interest Rate, Stated Percentage	6.00%	[1]		6.00%	[1]	6.00%	[2]
Available-for-sale Securities			7,800,000
Series A [Member] | Avistar on the Hills [Member]
Available-for-sale Security, Maturity Date at a point in time				Aug. 01, 2050	[1]	Aug. 01, 2050	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	6,132,520	[1]		6,132,520	[1]
Available-for-sale Securities, at Par Value	5,389,000	[1]		5,389,000	[1]	3,091,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	5,389,000	[1]		5,389,000	[1]
Debt Instrument, Interest Rate, Stated Percentage	6.00%	[1]		6.00%	[1]	6.00%	[2]
Available-for-sale Securities			5,400,000
Series A [Member] | Avistar in 09 [Member]
Available-for-sale Security, Maturity Date at a point in time				Aug. 01, 2050	[1]	Aug. 01, 2050	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	7,485,885	[1]		7,485,885	[1]
Available-for-sale Securities, at Par Value	6,735,000	[1]		6,735,000	[1]	5,482,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	6,735,000	[1]		6,735,000	[1]
Debt Instrument, Interest Rate, Stated Percentage	6.00%	[1]		6.00%	[1]	6.00%	[2]
Available-for-sale Securities			6,700,000
Series A [Member] | Renaissance Gateway [Member]
Available-for-sale Security, Maturity Date at a point in time				Jun. 01, 2050
Available-for-sale Securities, at Par Value	8,550,000			8,550,000		3,900,000			4,700,000			8,600,000
Debt Instrument, Interest Rate, Stated Percentage	6.00%			6.00%								6.00%
Series A [Member] | Avistar on the Boulevard [Member]
Available-for-sale Security, Maturity Date at a point in time				Mar. 01, 2050	[1]	Mar. 01, 2050	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	18,943,599	[1]		18,943,599	[1]	12,453,488	[2]
Available-for-sale Securities, at Par Value	16,525,000	[1]		16,525,000	[1]	13,760,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	16,525,000	[1]		16,525,000	[1]	13,760,000	[2]
Debt Instrument, Interest Rate, Stated Percentage	6.00%	[1]		6.00%	[1]	6.00%	[2]
Available-for-sale Securities									16,500,000		13,800,000
Series A [Member] | Avistar at Chase Hill [Member]
Available-for-sale Security, Maturity Date at a point in time				Mar. 01, 2050	[1]	Mar. 01, 2050	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	11,196,800	[1]		11,196,800	[1]	8,109,248	[2]
Available-for-sale Securities, at Par Value	10,000,000	[1]		10,000,000	[1]	8,960,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	10,000,000	[1]		10,000,000	[1]	8,960,000	[2]
Debt Instrument, Interest Rate, Stated Percentage	6.00%	[1]		6.00%	[1]	6.00%	[2]
Available-for-sale Securities									10,000,000		9,000,000
Series A [Member] | Avistar at the Crest [Member]
Available-for-sale Security, Maturity Date at a point in time				Mar. 01, 2050	[1]	Mar. 01, 2050	[2]
Available-for-sale Securities, Fair Value Disclosure Held in Trust	11,119,692	[1]		11,119,692	[1]	7,460,215	[2]
Available-for-sale Securities, at Par Value	9,700,000	[1]		9,700,000	[1]	8,759,000	[2]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	9,700,000	[1]		9,700,000	[1]	8,759,000	[2]
Debt Instrument, Interest Rate, Stated Percentage	6.00%	[1]		6.00%	[1]	6.00%	[2]
Available-for-sale Securities									9,700,000		8,800,000
Series A [Member] | Avistar Portfolio [Member]
Available-for-sale Security, Maturity Date at a point in time									Mar. 01, 2050		Mar. 01, 2050
Debt Instrument, Interest Rate, Stated Percentage									6.00%		6.00%
Series A [Member] | Heritage Square [Member]
Available-for-sale Security, Maturity Date at a point in time				Sep. 01, 2051
Available-for-sale Securities, at Par Value	11,185,000			11,185,000
Debt Instrument, Interest Rate, Stated Percentage	6.00%			6.00%					6.00%
Available-for-sale Securities									11,200,000
Series A [Member] | Harden Ranch [Member]
Available-for-sale Security, Maturity Date at a point in time				Mar. 01, 2030	[1]					Mar. 01, 2030
Available-for-sale Securities, Fair Value Disclosure Held in Trust	7,471,421	[1]		7,471,421	[1]
Available-for-sale Securities, at Par Value	6,960,000	[1]		6,960,000	[1]
Available-for-sale Securities, Amortized Cost Basis, Held in Trust	6,960,000	[1]		6,960,000	[1]
Debt Instrument, Interest Rate, Stated Percentage	5.75%	[1]		5.75%	[1]					5.80%
Available-for-sale Securities										7,000,000
Series A [Member] | Lost Creek [Member]
Available-for-sale Security, Maturity Date at a point in time						Jun. 01, 2041
Available-for-sale Securities, at Par Value						18,090,000
Debt Instrument, Interest Rate, Stated Percentage						6.25%
Series A [Member] | Avistar Portolio-2 [Member]
Available-for-sale Security, Maturity Date at a point in time			Aug. 01, 2050
Debt Instrument, Interest Rate, Stated Percentage			6.00%
Series B [Member] | Glenview Apts [Member]
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2016
Available-for-sale Securities, at Par Value	2,053,000			2,053,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%			5.50%
Available-for-sale Securities	2,000,000			2,000,000
Series B [Member] | Montclair Apts [Member]
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2016
Available-for-sale Securities, at Par Value	928,000			928,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%			5.50%
Available-for-sale Securities	1,000,000			1,000,000
Series B [Member] | Santa Fe Apts [Member]
Available-for-sale Security, Maturity Date at a point in time				Dec. 01, 2016
Available-for-sale Securities, at Par Value	1,671,000			1,671,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%			5.50%
Available-for-sale Securities	1,700,000			1,700,000
Series B [Member] | Concord Portfolio [Member]
Debt Instrument, Interest Rate, Stated Percentage	6.00%			6.00%											8.00%
Debt Instrument, Maturity Date				Dec. 01, 2016
Series B [Member] | Tyler Park Apartments [Member]
Available-for-sale Security, Maturity Date at a point in time				Jan. 01, 2016		Jan. 01, 2016
Available-for-sale Securities, at Par Value	2,025,000			2,025,000		2,025,000
Available-for-sale Securities, Gross Unrealized Loss				(17,395)
Available-for-sale Securities, Amortized Cost Basis	2,025,000			2,025,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%			5.50%		5.50%
Available-for-sale Securities	2,007,605			2,007,605		2,000,000
Series B [Member] | Westside Village Market [Member]
Available-for-sale Security, Maturity Date at a point in time				Jan. 01, 2016		Jan. 01, 2016
Available-for-sale Securities, at Par Value	1,430,000			1,430,000		1,430,000
Available-for-sale Securities, Gross Unrealized Loss				(686)
Available-for-sale Securities, Amortized Cost Basis	1,430,000			1,430,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%			5.50%		5.50%
Available-for-sale Securities	1,429,314			1,429,314		1,400,000
Series B [Member] | Vantage at Harlingen [Member]
Debt Instrument, Interest Rate, Stated Percentage						6.00%
Series B [Member] | Ohio Properties [Member]
Available-for-sale Security, Maturity Date at a point in time				Jun. 01, 2050		Jun. 01, 2050
Available-for-sale Securities, at Par Value	3,573,430			3,573,430		3,583,590
Available-for-sale Securities, Gross Unrealized Loss				0		0
Available-for-sale Securities, Amortized Cost Basis	3,573,430			3,573,430		3,583,590
Debt Instrument, Interest Rate, Stated Percentage	10.00%			10.00%		10.00%
Available-for-sale Securities	4,241,972			4,241,972		3,734,454
Series B [Member] | Greens of Pine Glen [Member]
Available-for-sale Security, Maturity Date at a point in time				Oct. 01, 2047		Oct. 01, 2047	[2]
Available-for-sale Securities, at Par Value	945,638			945,638		948,291	[2]	950,000
Available-for-sale Securities, Gross Unrealized Loss				0		0
Available-for-sale Securities, Amortized Cost Basis	945,638			945,638		948,291
Debt Instrument, Interest Rate, Stated Percentage	9.00%			9.00%		12.00%	[2]	12.00%
Available-for-sale Securities	1,321,841			1,321,841		1,137,880
Series B [Member] | Dublin [Member]
Available-for-sale Securities												2,500,000
Series B [Member] | Kingswood [Member] [Member]
Available-for-sale Securities												2,300,000
Series B [Member] | Waterford [Member]
Available-for-sale Securities												1,700,000
Series B [Member] | Dublin, Kingswood and Waterford [Member]
Available-for-sale Security, Maturity Date at a point in time						Sep. 01, 2050
Debt Instrument, Interest Rate, Stated Percentage												9.00%
Series B [Member] | Avistar at the Oaks [Member]
Available-for-sale Securities, Gross Unrealized Loss				0
Available-for-sale Securities, Amortized Cost Basis	554,000			554,000
Available-for-sale Securities	608,325		600,000	608,325
Series B [Member] | Avistar in 09 [Member]
Available-for-sale Securities, Gross Unrealized Loss				0
Available-for-sale Securities, Amortized Cost Basis	457,000			457,000
Available-for-sale Securities	507,608		500,000	507,608
Series B [Member] | Renaissance Gateway [Member]
Available-for-sale Security, Maturity Date at a point in time				Jun. 01, 2050
Available-for-sale Securities, at Par Value	1,250,000			1,250,000		1,300,000
Debt Instrument, Interest Rate, Stated Percentage	12.00%			12.00%								12.00%
Series B [Member] | Avistar on the Boulevard [Member]
Available-for-sale Securities, Gross Unrealized Loss				0		255,222
Available-for-sale Securities, Amortized Cost Basis	451,000			451,000		3,216,000
Available-for-sale Securities	524,851			524,851		2,960,778			500,000		3,200,000
Series B [Member] | Avistar at Chase Hill [Member]
Available-for-sale Securities, Gross Unrealized Loss				0		159,117
Available-for-sale Securities, Amortized Cost Basis	965,000			965,000		2,005,000
Available-for-sale Securities	1,109,769			1,109,769		1,845,883			1,000,000		2,000,000
Series B [Member] | Avistar at the Crest [Member]
Available-for-sale Securities, Gross Unrealized Loss				0		134,912
Available-for-sale Securities, Amortized Cost Basis	759,000			759,000		1,700,000
Available-for-sale Securities	883,286			883,286		1,565,088			800,000		1,700,000
Series B [Member] | Avistar Portfolio [Member]
Available-for-sale Security, Maturity Date at a point in time				Apr. 01, 2050		Apr. 01, 2050			Apr. 01, 2050		Apr. 01, 2050
Available-for-sale Securities, at Par Value	2,175,000			2,175,000		6,921,000
Debt Instrument, Interest Rate, Stated Percentage	9.00%			9.00%		9.00%			9.00%		9.00%
Series B [Member] | Vantage at Judson [Member]
Available-for-sale Securities, at Par Value	26,700,000			26,700,000
Debt Instrument, Interest Rate, Stated Percentage	0.00%			0.00%
Series B [Member] | Heritage Square [Member]
Available-for-sale Security, Maturity Date at a point in time				Oct. 01, 2051					Oct. 01, 2051
Available-for-sale Securities, at Par Value	520,000			520,000
Debt Instrument, Interest Rate, Stated Percentage	12.00%			12.00%					12.00%
Available-for-sale Securities									500,000
Series B [Member] | Harden Ranch [Member]
Available-for-sale Security, Maturity Date at a point in time				Mar. 01, 2016						Mar. 01, 2016
Available-for-sale Securities, at Par Value	2,340,000			2,340,000
Available-for-sale Securities, Gross Unrealized Loss				(1,501)
Available-for-sale Securities, Amortized Cost Basis	2,340,000			2,340,000
Debt Instrument, Interest Rate, Stated Percentage	5.50%			5.50%					5.50%							8.00%
Available-for-sale Securities	2,338,499			2,338,499						2,300,000
Series B [Member] | Avistar Portolio-2 [Member]
Available-for-sale Security, Maturity Date at a point in time			Sep. 01, 2050	Sep. 01, 2050		Sep. 01, 2050	[2]
Available-for-sale Securities, at Par Value	1,011,000			1,011,000		6,484,000	[2]
Debt Instrument, Interest Rate, Stated Percentage	9.00%		9.00%	9.00%		9.00%	[2]
Series B [Member] | Minimum [Member] | Vantage at Harlingen [Member]
Available-for-sale Securities, at Par Value						18,000,000
Series B [Member] | Maximum [Member] | Vantage at Harlingen [Member]
Available-for-sale Securities, at Par Value						24,700,000
Series A and B [Member] | Renaissance Gateway [Member]
Available-for-sale Security, Maturity Date at a point in time												Jun. 01, 2030
Series C [Member] | Vantage at Harlingen [Member]
Available-for-sale Securities, at Par Value						6,700,000
Debt Instrument, Interest Rate, Stated Percentage						9.00%
Available-for-sale Securities						6,700,000
Series C [Member] | Dublin, Kingswood and Waterford [Member]
Available-for-sale Security, Maturity Date at a point in time						Sep. 01, 2050
Available-for-sale Securities, at Par Value												831,000
Debt Instrument, Interest Rate, Stated Percentage												9.00%
Series C [Member] | Renaissance Gateway [Member]
Available-for-sale Security, Maturity Date at a point in time				Jun. 01, 2015								Jun. 01, 2015
Available-for-sale Securities, at Par Value	2,875,000			2,875,000								2,900,000
Debt Instrument, Interest Rate, Stated Percentage	12.00%			12.00%								12.00%
Series C [Member] | Avistar Portfolio [Member]
Available-for-sale Security, Maturity Date at a point in time						Apr. 01, 2050			Apr. 01, 2050		Apr. 01, 2050
Available-for-sale Securities, at Par Value						804,000			804,000		804,000
Debt Instrument, Interest Rate, Stated Percentage						9.00%			9.00%		9.00%
Series C [Member] | Vantage at Judson [Member]
Available-for-sale Securities, at Par Value	6,000,000			6,000,000				6,000,000
Series C [Member] | Avistar Portolio-2 [Member]
Available-for-sale Security, Maturity Date at a point in time			Sep. 01, 2050			Sep. 01, 2050
Available-for-sale Securities, at Par Value			831,000			831,000
Debt Instrument, Interest Rate, Stated Percentage			9.00%			9.00%
Series D [Member] | Vantage at Harlingen [Member]
Available-for-sale Security, Maturity Date at a point in time						Oct. 01, 2053
Available-for-sale Securities, at Par Value						1,283,000
Debt Instrument, Interest Rate, Stated Percentage						9.00%
Series D [Member] | Vantage at Judson [Member]
Available-for-sale Securities, at Par Value								934,000
CALIFORNIA
Percentage of Available for Sale Securities by Location	18.00%			18.00%		27.00%
San Antonio, Texas [Member]
Percentage of Available for Sale Securities by Location	38.00%			38.00%		35.00%
San Diego, California [Member]
Percentage of Available for Sale Securities by Location	10.00%			10.00%
General Partner [Member] | Autumn Pines [Member]
Reclassification of Tier II Income			218,000
General Partner [Member] | Lost Creek [Member]
Reclassification of Tier II Income										709,000
Limited Partner [Member] | Autumn Pines [Member]
Reclassification of Tier II Income			650,000
Limited Partner [Member] | Lost Creek [Member]
Reclassification of Tier II Income										2,100,000
TOB Facility-1 [Member] | Trading Securities [Member]
Available-for-sale Security, Maturity Date at a point in time						Jul. 01, 2014
Debt financing			$ 9,800,000			$ 9,770,000			$ 9,800,000

[1] (3) Bonds owned by ATAX TEBS II, LLC, Note 11

[2] Bond held by Deutsche Bank in a secured financing transaction, Note 11

[3] Bonds owned by ATAX TEBS I, LLC, Note 11