Securities Available for Sale (Details) (USD $)	Dec. 31, 2014		Dec. 31, 2013
Summary of listing of securities available for sale
Cost	$ 58,476,040		$ 58,138,204
Market Value	63,555,961		59,254,942
Preferred Stock [Member]
Summary of listing of securities available for sale
Cost	18,049,763		25,057,972
Market Value	19,045,983		24,536,942
Alexandria Real Estate Stock Series E [Member]
Summary of listing of securities available for sale
Interest Rate			6.45%
Number of Shares			2,000
Cost			45,425
Market Value			42,400
American Land Lease Inc Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate			7.75%
Number of Shares			31,200
Cost			275,297
Market Value			756,600
Ashford Hospitality Trust Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	8.55%		8.55%
Number of Shares	10,000		10,000
Cost	251,205		251,205
Market Value	257,800		252,490
Campus Crest Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	8.00%		8.00%
Number of Shares	30,000		30,000
Cost	751,222		751,222
Market Value	766,500		741,000
CBL & Associates Properties Preferred Stock Series D [Member]
Summary of listing of securities available for sale
Interest Rate	7.375%		7.375%
Number of Shares	2,000		2,000
Cost	50,269		50,269
Market Value	50,400		47,500
Cedar Realty Trust Inc. Preferred Stock B [Member]
Summary of listing of securities available for sale
Interest Rate	7.25%		7.25%
Number of Shares	50,905		47,355
Cost	1,215,497		1,127,208
Market Value	1,337,789		1,089,157
Chesapeake Lodging Preferred Stock A [Member]
Summary of listing of securities available for sale
Interest Rate	7.75%		7.75%
Number of Shares	20,000		20,000
Cost	500,000		500,000
Market Value	526,000		491,800
Commonwealth REIT Preferred Stock Series D [Member]
Summary of listing of securities available for sale
Interest Rate			6.50%
Number of Shares			74,000
Cost			1,660,828
Market Value			1,517,740
Corporate Office Properties Trust Preferred Stock L [Member]
Summary of listing of securities available for sale
Interest Rate	7.375%		7.375%
Number of Shares	26,000		26,000
Cost	650,330		650,330
Market Value	678,080		612,040
Cubesmart Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	7.75%		7.75%
Number of Shares	2,000		2,000
Cost	52,153		52,153
Market Value	53,952		50,300
Digital Realty Trust Inc. Preferred Stock Series E [Member]
Summary of listing of securities available for sale
Interest Rate			7.00%
Number of Shares			4,000
Cost			100,000
Market Value			86,840
Digital Realty Trust Inc Preferred Stock Series F [Member]
Summary of listing of securities available for sale
Interest Rate	6.625%		6.625%
Number of Shares	2,000		2,000
Cost	44,870		44,870
Market Value	51,000		41,160
Dupont Fabros Technology, Inc. Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	7.875%		7.875%
Number of Shares	26,412		26,412
Cost	657,703		657,703
Market Value	672,336		632,303
Dupont Fabros Technology Inc. Preferred Stock Series B [Member]
Summary of listing of securities available for sale
Interest Rate	7.625%		7.625%
Number of Shares	10,000		20,000
Cost	250,000		500,000
Market Value	255,200		455,400
EPR Properties Preferred Stock Series F [Member]
Summary of listing of securities available for sale
Interest Rate	6.625%		6.625%
Number of Shares	20,000		20,000
Cost	472,680		472,680
Market Value	504,000		423,800
General Growth Properties Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate			6.375%
Number of Shares			10,000
Cost			250,000
Market Value			201,500
Glimcher Realty Preferred Stock Series I [Member]
Summary of listing of securities available for sale
Interest Rate	6.875%		6.875%
Number of Shares	39,738		39,738
Cost	964,267		964,267
Market Value	1,017,690		858,341
Istar Financial Inc. Preferred Stock Series D [Member]
Summary of listing of securities available for sale
Interest Rate			8.00%
Number of Shares			26,600
Cost			636,609
Market Value			635,447
Istar Financial Inc. Preferred Stock Series E [Member]
Summary of listing of securities available for sale
Interest Rate			7.875%
Number of Shares			38,342
Cost			851,903
Market Value			896,819
Istar Financial Inc. Preferred Stock Series I [Member]
Summary of listing of securities available for sale
Interest Rate			7.50%
Number of Shares			59,600
Cost			1,325,647
Market Value			1,363,648
Kilroy Realty Corp Preferred Stock Series G [Member]
Summary of listing of securities available for sale
Interest Rate	6.875%		6.875%
Number of Shares	34,948		34,948
Cost	844,770		844,770
Market Value	913,436		766,410
Kilroy Realty Corp Preferred Stock Series H [Member]
Summary of listing of securities available for sale
Interest Rate	6.38%		6.38%
Number of Shares	10,000		10,000
Cost	235,486		235,486
Market Value	250,000		205,700
Kimco Realty Preferred Stock Series I [Member]
Summary of listing of securities available for sale
Interest Rate			6.00%
Number of Shares			2,000
Cost			43,026
Market Value			41,740
Kite Realty Group Trust Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	8.25%		8.25%
Number of Shares	50,000		50,000
Cost	1,227,138		1,227,138
Market Value	1,304,000		1,262,500
LaSalle Hotel Properties Preferred Stock Series H [Member]
Summary of listing of securities available for sale
Interest Rate	7.50%		7.50%
Number of Shares	40,000		40,000
Cost	982,589		982,589
Market Value	1,050,800		986,000
Pebblebrook Hotel Preferred Stock Series C [Member]
Summary of listing of securities available for sale
Interest Rate			6.50%
Number of Shares			19,000
Cost			400,742
Market Value			387,062
Pennsylvania Real Estate Trust Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	8.25%		8.25%
Number of Shares	94,000		94,000
Cost	2,350,885		2,350,885
Market Value	2,467,500		2,364,852
Lexington Realty Trust Preferred Stock Series C [Member]
Summary of listing of securities available for sale
Interest Rate			6.50%
Number of Shares			6,000
Cost			247,860
Market Value			264,900
Pennsylvania Real Estate Trust Preferred Stock Series B [Member]
Summary of listing of securities available for sale
Interest Rate	7.375%		7.375%
Number of Shares	40,000		40,000
Cost	1,000,000		1,000,000
Market Value	1,035,460		949,200
Retail Properties of America Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	7.00%		7.00%
Number of Shares	20,000		20,000
Cost	481,949		481,949
Market Value	524,000		421,600
SL Green Realty Corpl Preferred Stock Series I [Member]
Summary of listing of securities available for sale
Interest Rate			6.50%
Number of Shares			20,000
Cost			460,169
Market Value			426,200
Stag Industrial, Inc. Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate			9.00%
Number of Shares			9,000
Cost			224,885
Market Value			239,040
Stag Industrial Inc Preferred Stock Series B [Member]
Summary of listing of securities available for sale
Interest Rate	6.625%		6.625%
Number of Shares	20,100		20,100
Cost	470,007		470,007
Market Value	516,110		418,683
Summit Hotel Properties, Inc. Preferred Stock Series B [Member]
Summary of listing of securities available for sale
Interest Rate	7.875%		7.875%
Number of Shares	20,000		20,000
Cost	500,000		500,000
Market Value	525,400		477,002
Sun Communities Inc. Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	7.125%		7.125%
Number of Shares	45,000		45,000
Cost	1,117,377		1,117,377
Market Value	1,155,600		1,059,750
Terreno Realty Corporation Preferred Stock Series A [Member]
Summary of listing of securities available for sale
Interest Rate	7.75%		7.75%
Number of Shares	20,300		20,300
Cost	507,791		507,791
Market Value	520,898		497,350
Urstadt Biddle Preferred Stock Series F [Member]
Summary of listing of securities available for sale
Interest Rate	7.125%		7.125%
Number of Shares	30,421		30,421
Cost	756,305		756,305
Market Value	798,232		700,596
Vornado Realty Trust Preferred Stock Series D [Member]
Summary of listing of securities available for sale
Interest Rate			7.875%
Number of Shares			4,000
Cost			96,114
Market Value			103,960
Cbl And Associates Properties Preferred Stock Series E [Member]
Summary of listing of securities available for sale
Interest Rate	6.625%		6.625%
Number of Shares	65,000		65,000
Cost	1,543,385		1,543,385
Market Value	1,632,800		1,381,900
Equity Lifestyle Properties Preferred Stock Series C [Member]
Summary of listing of securities available for sale
Interest Rate	6.75%		6.75%
Number of Shares	2,000		2,000
Cost	46,885		46,885
Market Value	52,400		46,200
Lasalle Hotel Properties Preferred Stocks Series I [Member]
Summary of listing of securities available for sale
Interest Rate			6.375%
Number of Shares			6,000
Cost			124,984
Market Value			121,080
Taubman Centers Preferred Stock Series K [Member]
Summary of listing of securities available for sale
Interest Rate			6.25%
Number of Shares			11,000
Cost			228,009
Market Value			218,932
Urstadt Biddle Preferred Stock Series G [Member]
Summary of listing of securities available for sale
Interest Rate	6.75%
Number of Shares	5,000
Cost	125,000
Market Value	128,600
Common Stock [Member]
Summary of listing of securities available for sale
Cost	40,426,277		33,080,232
Market Value	44,509,978		34,718,000
CBL & Associates Properties, Inc [Member]
Summary of listing of securities available for sale
Number of Shares	60,000
Cost	1,108,384
Market Value	1,165,200
Getty Realty Corp. Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	130,000		100,000
Cost	2,457,219		1,886,332
Market Value	2,367,300		1,837,000
Gladstone Commercial Corporation Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	50,000		60,000
Cost	856,545		1,031,950
Market Value	858,500		1,078,200
Government Properties Income Trust Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	210,000		110,000
Cost	5,059,017		2,664,307
Market Value	4,832,100		2,733,500
Mack Cali Realty Group Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	85,000		75,000
Cost	2,017,705		1,824,903
Market Value	1,620,100		1,611,000
Monmouth Real Estate Investment Corporation Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	1,995,809	[1]	1,875,147	[1]
Cost	16,644,510	[1]	15,491,475	[1]
Market Value	22,093,602	[1]	17,045,082	[1]
Nobility Homes, Inc. Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	20,000		20,000
Cost	158,200		158,200
Market Value	215,000		180,200
Parkway Properties Inc. Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	10,000		10,000
Cost	182,343		134,799
Market Value	183,900		192,900
Select Income Real Estate Investment Trust Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	373,473		340,973
Cost	9,981,576		8,976,023
Market Value	9,116,476		9,117,618
Senior Housing Properties Trust Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	20,000
Cost	474,337
Market Value	442,200
Urstadt Biddle Properties Incorporated Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	10,000		50,000
Cost	193,808		912,243
Market Value	218,800		922,500
Weingarten Realty Investors Common Stock [Member]
Summary of listing of securities available for sale
Number of Shares	40,000
Cost	1,292,633
Market Value	$ 1,396,800

[1] Related entity See Note 8.