Securities Available for Sale (Details) (USD $)	Sep. 30, 2012	Sep. 30, 2011
Summary of investments in debt and equity securities
Debt Securities available for sale, Cost	$ 11,877	$ 13,451
Debt Securities available for sale, Estimated Market Value	13,507	14,438
Total Securities Available for Sale, Cost	56,301,236	41,896,896
Total Securities Available for Sale, Estimated Market Value	61,685,173	44,265,059
Government National Mortgage Association (GNMA) [Member]
Summary of investments in debt and equity securities
Debt Securities available for sale, Interest Rate	6.50%	6.50%
Debt Securities available for sale, Number of Shares	500,000	500,000
Debt Securities available for sale, Cost	11,877	13,451
Debt Securities available for sale, Estimated Market Value	13,507	14,438
Common Stock [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Cost	35,117,297	26,099,051
Equity Securities available for sale, Estimated Market Value	37,517,767	2,560,723
Common Stock [Member] | CapLease, Inc [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	26,000	26,000
Equity securities available for sale, Cost	71,351	71,351
Equity Securities available for sale, Estimated Market Value	134,420	93,860
Common Stock [Member] | Commonwealth REIT [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	390,300	152,500
Equity securities available for sale, Cost	7,272,542	3,420,019
Equity Securities available for sale, Estimated Market Value	5,682,768	2,892,925
Common Stock [Member] | iStar Financial, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares		29,400
Equity securities available for sale, Cost		65,562
Equity Securities available for sale, Estimated Market Value		171,108
Common Stock [Member] | Pennsylvania Real Estate Investment Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	207,100	264,500
Equity securities available for sale, Cost	1,970,256	2,494,121
Equity Securities available for sale, Estimated Market Value	3,284,606	2,044,585
Common Stock [Member] | Stag Industrial Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares		123,500
Equity securities available for sale, Cost		1,427,987
Equity Securities available for sale, Estimated Market Value		1,259,700
Common Stock [Member] | UMH Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	740,923	630,266
Equity securities available for sale, Cost	6,959,460	5,864,969
Equity Securities available for sale, Estimated Market Value	8,868,854	5,729,114
Common Stock [Member] | Duke Realty Corporation [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	40,000
Equity securities available for sale, Cost	605,754
Equity Securities available for sale, Estimated Market Value	588,000
Common Stock [Member] | First Industrial Realty [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	80,000
Equity securities available for sale, Cost	1,016,307
Equity Securities available for sale, Estimated Market Value	1,051,200
Common Stock [Member] | First Potomac Realty [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	75,454
Equity securities available for sale, Cost	905,803
Equity Securities available for sale, Estimated Market Value	971,848
Common Stock [Member] | Getty Realty Corporation [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	247,000	158,000
Equity securities available for sale, Cost	4,928,299	3,571,197
Equity Securities available for sale, Estimated Market Value	4,433,650	2,278,360
Common Stock [Member] | Gladstone Commercial Corp [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	72,600	37,600
Equity securities available for sale, Cost	1,207,019	607,375
Equity Securities available for sale, Estimated Market Value	1,325,676	589,568
Common Stock [Member] | Liberty Property Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	2,000	2,000
Equity securities available for sale, Cost	37,880	37,880
Equity Securities available for sale, Estimated Market Value	72,480	58,220
Common Stock [Member] | Mack-Cali Realty Corporation [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	70,000	12,000
Equity securities available for sale, Cost	1,910,740	370,280
Equity Securities available for sale, Estimated Market Value	1,862,000	321,000
Common Stock [Member] | Medical Properties Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	90,000	10,000
Equity securities available for sale, Cost	858,324	114,476
Equity Securities available for sale, Estimated Market Value	940,500	89,500
Common Stock [Member] | Mission West Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	70,000	73,500
Equity securities available for sale, Cost	454,146	476,853
Equity Securities available for sale, Estimated Market Value	609,000	557,865
Common Stock [Member] | Omega Healthcare [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	93,000	73,000
Equity securities available for sale, Cost	1,674,591	1,364,875
Equity Securities available for sale, Estimated Market Value	2,113,890	1,162,890
Common Stock [Member] | One Liberty Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	57,000	47,000
Equity securities available for sale, Cost	887,762	718,183
Equity Securities available for sale, Estimated Market Value	1,063,050	689,020
Common Stock [Member] | Select Income REIT [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	60,000
Equity securities available for sale, Cost	1,500,949
Equity Securities available for sale, Estimated Market Value	1,477,200
Common Stock [Member] | Senior Housing Properties Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	100,000	15,000
Equity securities available for sale, Cost	2,140,876	337,248
Equity Securities available for sale, Estimated Market Value	2,178,000	323,100
Common Stock [Member] | Urstadt Biddle Properties Inc [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares	42,542	42,542
Equity securities available for sale, Cost	715,238	715,238
Equity Securities available for sale, Estimated Market Value	860,625	679,396
Common Stock [Member] | Hospitality Properties Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares		20,000
Equity securities available for sale, Cost		240,000
Equity Securities available for sale, Estimated Market Value		424,600
Common Stock [Member] | Franklin Street Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares		10,000
Equity securities available for sale, Cost		116,901
Equity Securities available for sale, Estimated Market Value		113,100
Common Stock [Member] | Health Care REIT, Inc [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares		2,500
Equity securities available for sale, Cost		104,404
Equity Securities available for sale, Estimated Market Value		117,000
Common Stock [Member] | National Retail Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares		60,000
Equity securities available for sale, Cost		1,349,963
Equity Securities available for sale, Estimated Market Value		1,612,200
Common Stock [Member] | PS Business Parks, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares		5,000
Equity securities available for sale, Cost		272,123
Equity Securities available for sale, Estimated Market Value		247,700
Common Stock [Member] | Sun Communities, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Number of Shares		118,000
Equity securities available for sale, Cost		2,358,046
Equity Securities available for sale, Estimated Market Value		4,152,420
Preferred Stock [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Cost	21,172,062	15,784,394
Equity Securities available for sale, Estimated Market Value	24,153,899	18,643,390
Series A Preferred Stock [Member] | American Land Lease, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.75%	7.75%
Equity securities available for sale, Number of Shares	18,000	18,000
Equity securities available for sale, Cost	146,700	146,700
Equity Securities available for sale, Estimated Market Value	424,800	374,400
Series A Preferred Stock [Member] | Apollo Commercial Real Estate [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.625%
Equity securities available for sale, Number of Shares	10,000
Equity securities available for sale, Cost	250,000
Equity Securities available for sale, Estimated Market Value	256,000
Series A Preferred Stock [Member] | Ashford Hospitality Trust, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.55%	8.55%
Equity securities available for sale, Number of Shares	5,000	5,000
Equity securities available for sale, Cost	124,605	124,605
Equity Securities available for sale, Estimated Market Value	127,350	120,500
Series A Preferred Stock [Member] | Campus Crest Communities [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.40%
Equity securities available for sale, Number of Shares	10,000
Equity securities available for sale, Cost	250,000
Equity Securities available for sale, Estimated Market Value	270,200
Series A Preferred Stock [Member] | CapLease, Inc [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.125%	8.125%
Equity securities available for sale, Number of Shares	4,400	7,000
Equity securities available for sale, Cost	78,036	124,143
Equity Securities available for sale, Estimated Market Value	110,000	163,310
Series A Preferred Stock [Member] | Chesapeake Lodging [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.75%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	500,000
Equity Securities available for sale, Estimated Market Value	518,200
Series A Preferred Stock [Member] | Dynex Capital [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.50%
Equity securities available for sale, Number of Shares	60,000
Equity securities available for sale, Cost	1,500,000
Equity Securities available for sale, Estimated Market Value	1,563,000
Series A Preferred Stock [Member] | Hatteras Financial Corp [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.625%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	500,000
Equity Securities available for sale, Estimated Market Value	501,800
Series A Preferred Stock [Member] | Kite Realty Group Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.25%	8.25%
Equity securities available for sale, Number of Shares	24,000	49,510
Equity securities available for sale, Cost	590,047	1,237,224
Equity Securities available for sale, Estimated Market Value	622,560	1,113,975
Series A Preferred Stock [Member] | MPG Office Trust, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.625%	7.625%
Equity securities available for sale, Number of Shares	31,600	31,600
Equity securities available for sale, Cost	35,708	35,708
Equity Securities available for sale, Estimated Market Value	712,264	445,244
Series A Preferred Stock [Member] | Pennsylvania Real Estate Investment Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.25%
Equity securities available for sale, Number of Shares	44,000
Equity securities available for sale, Cost	1,100,885
Equity Securities available for sale, Estimated Market Value	1,160,280
Series A Preferred Stock [Member] | Stag Industrial Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	9.00%
Equity securities available for sale, Number of Shares	2,000
Equity securities available for sale, Cost	49,965
Equity Securities available for sale, Estimated Market Value	54,540
Series A Preferred Stock [Member] | Supertel Hospitality, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.00%	8.00%
Equity securities available for sale, Number of Shares	17,000	17,000
Equity securities available for sale, Cost	170,005	170,005
Equity Securities available for sale, Estimated Market Value	157,250	132,770
Series A Preferred Stock [Member] | Terreno Realty [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.75%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	500,000
Equity Securities available for sale, Estimated Market Value	522,200
Series A Preferred Stock [Member] | UMH Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.25%	8.25%
Equity securities available for sale, Number of Shares	200,000	200,000
Equity securities available for sale, Cost	5,000,005	5,000,005
Equity Securities available for sale, Estimated Market Value	5,359,400	5,018,000
Series A Preferred Stock [Member] | Cogdell Spencer, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		8.50%
Equity securities available for sale, Number of Shares		50,000
Equity securities available for sale, Cost		1,245,070
Equity Securities available for sale, Estimated Market Value		1,175,000
Series A Preferred Stock [Member] | DuPont Fabros Technology, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.875%
Equity securities available for sale, Number of Shares		45,000
Equity securities available for sale, Cost		1,128,003
Equity Securities available for sale, Estimated Market Value		1,150,650
Series B Preferred Stock [Member] | CapLease, Inc [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.375%
Equity securities available for sale, Number of Shares	52,403
Equity securities available for sale, Cost	1,313,304
Equity Securities available for sale, Estimated Market Value	1,362,478
Series B Preferred Stock [Member] | Cedar Realty Trust Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.25%
Equity securities available for sale, Number of Shares	32,000
Equity securities available for sale, Cost	757,972
Equity Securities available for sale, Estimated Market Value	776,111
Series B Preferred Stock [Member] | Grace Acquisitions I [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.75%	8.75%
Equity securities available for sale, Number of Shares	31,000	31,000
Equity securities available for sale, Cost	3,720	3,720
Equity Securities available for sale, Estimated Market Value	137,330	53,630
Series B Preferred Stock [Member] | Investors Real Estate [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.95%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	500,000
Equity Securities available for sale, Estimated Market Value	517,800
Series B Preferred Stock [Member] | Cousins Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.50%
Equity securities available for sale, Number of Shares		49,000
Equity securities available for sale, Cost		1,059,108
Equity Securities available for sale, Estimated Market Value		1,185,310
Series B Preferred Stock [Member] | Hospitality Properties Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		8.875%
Equity securities available for sale, Number of Shares		1,000
Equity securities available for sale, Cost		21,576
Equity Securities available for sale, Estimated Market Value		25,650
Series B Preferred Stock [Member] | Lexington Realty Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		8.04%
Equity securities available for sale, Number of Shares		31,200
Equity securities available for sale, Cost		630,155
Equity Securities available for sale, Estimated Market Value		771,014
Series C Preferred Stock [Member] | CBL & Associates Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.75%
Equity securities available for sale, Number of Shares		26,000
Equity securities available for sale, Cost		445,062
Equity Securities available for sale, Estimated Market Value		628,940
Series C Preferred Stock [Member] | Innkeepers USA [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		8.00%
Equity securities available for sale, Number of Shares		30,000
Equity securities available for sale, Cost		15,000
Equity Securities available for sale, Estimated Market Value		30,000
Series C Preferred Stock [Member] | Lexington Realty Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		6.50%
Equity securities available for sale, Number of Shares		18,000
Equity securities available for sale, Cost		530,033
Equity Securities available for sale, Estimated Market Value		747,000
Series D Preferred Stock [Member] | CBL & Associates Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.375%
Equity securities available for sale, Number of Shares		6,000
Equity securities available for sale, Cost		116,672
Equity Securities available for sale, Estimated Market Value		138,420
Series D Preferred Stock [Member] | Commonwealth REIT [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	6.50%	6.50%
Equity securities available for sale, Number of Shares	20,000	80,000
Equity securities available for sale, Cost	468,053	1,058,297
Equity Securities available for sale, Estimated Market Value	470,000	1,632,800
Series D Preferred Stock [Member] | iStar Financial, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.00%	8.00%
Equity securities available for sale, Number of Shares	41,753	8,000
Equity securities available for sale, Cost	748,990	146,747
Equity Securities available for sale, Estimated Market Value	865,540	145,680
Series D Preferred Stock [Member] | Winthrop Realty [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	9.25%
Equity securities available for sale, Number of Shares	35,000
Equity securities available for sale, Cost	867,305
Equity Securities available for sale, Estimated Market Value	937,020
Series D Preferred Stock [Member] | Brandywine Realty Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.375%
Equity securities available for sale, Number of Shares		10,200
Equity securities available for sale, Cost		221,153
Equity Securities available for sale, Estimated Market Value		251,430
Series D Preferred Stock [Member] | Entertainment Properties Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.375%
Equity securities available for sale, Number of Shares		3,700
Equity securities available for sale, Cost		64,729
Equity Securities available for sale, Estimated Market Value		89,352
Series D Preferred Stock [Member] | LaSalle Hotel Properties [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.50%
Equity securities available for sale, Number of Shares		33,000
Equity securities available for sale, Cost		620,323
Equity Securities available for sale, Estimated Market Value		789,030
Series D Preferred Stock [Member] | Lexington Realty Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.55%
Equity securities available for sale, Number of Shares		14,500
Equity securities available for sale, Cost		220,346
Equity Securities available for sale, Estimated Market Value		347,275
Series E Preferred Stock [Member] | Ashford Hospitality Trust, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		9.00%
Equity securities available for sale, Number of Shares		20,000
Equity securities available for sale, Cost		500,255
Equity Securities available for sale, Estimated Market Value		477,000
Series E Preferred Stock [Member] | CBL & Associates Properties, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	6.625%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	500,000
Equity Securities available for sale, Estimated Market Value	500,000
Series E Preferred Stock [Member] | iStar Financial, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.875%	7.875%
Equity securities available for sale, Number of Shares	98,400	54,000
Equity securities available for sale, Cost	1,130,912	379,354
Equity Securities available for sale, Estimated Market Value	1,968,000	926,640
Series E Preferred Stock [Member] | Regency Centers Corp [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		6.70%
Equity securities available for sale, Number of Shares		526
Equity securities available for sale, Cost		9,877
Equity Securities available for sale, Estimated Market Value		13,150
Series F Preferred Stock [Member] | iStar Financial, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	8.00%
Equity securities available for sale, Number of Shares	26,885
Equity securities available for sale, Cost	479,493
Equity Securities available for sale, Estimated Market Value	537,431
Series H Preferred Stock [Member] | Glimcher Realty [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.50%
Equity securities available for sale, Number of Shares	40,000
Equity securities available for sale, Cost	1,000,000
Equity Securities available for sale, Estimated Market Value	1,021,200
Series H Preferred Stock [Member] | Kilroy Realties [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	6.375%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	500,000
Equity Securities available for sale, Estimated Market Value	497,040
Series I Preferred Stock [Member] | iStar Financial, Inc. [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.50%
Equity securities available for sale, Number of Shares	33,883
Equity securities available for sale, Cost	602,558
Equity Securities available for sale, Estimated Market Value	676,305
Series I Preferred Stock [Member] | SL Green Realty [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	6.50%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	500,000
Equity Securities available for sale, Estimated Market Value	500,400
Series I Preferred Stock [Member] | Vornado Realty Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		6.625%
Equity securities available for sale, Number of Shares		18,000
Equity securities available for sale, Cost		330,971
Equity Securities available for sale, Estimated Market Value		453,220
Series J Preferred Stock [Member] | Taubman Centers [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	6.50%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	500,940
Equity Securities available for sale, Estimated Market Value	512,000
Series L Preferred Stock [Member] | Corporate Office [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate	7.375%
Equity securities available for sale, Number of Shares	20,000
Equity securities available for sale, Cost	502,859
Equity Securities available for sale, Estimated Market Value	515,400
Series O Preferred Stock [Member] | Prologis Trust [Member]
Summary of investments in debt and equity securities
Equity securities available for sale, Dvidend Rate		7.00%
Equity securities available for sale, Number of Shares		10,000
Equity securities available for sale, Cost		199,553
Equity Securities available for sale, Estimated Market Value		$ 244,000