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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Details 3) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Nov. 30, 2001	Mar. 02, 2005	Oct. 03, 2005	Sep. 30, 2004	Aug. 31, 2004	Oct. 28, 2009
Revenues
Rental income									$ 42,205,644	$ 37,961,599	$ 34,784,130
Laundry and sundry income									426,675us-gaap_OtherRealEstateRevenue	402,953us-gaap_OtherRealEstateRevenue	385,040us-gaap_OtherRealEstateRevenue
Total Revenues	10,810,827us-gaap_Revenues	10,643,029us-gaap_Revenues	10,560,535us-gaap_Revenues	10,617,928us-gaap_Revenues	10,374,345us-gaap_Revenues	9,967,752us-gaap_Revenues	9,002,762us-gaap_Revenues	9,019,693us-gaap_Revenues	42,632,319us-gaap_Revenues	38,364,552us-gaap_Revenues	35,169,170us-gaap_Revenues
Expenses
Administrative									2,206,483us-gaap_GeneralAndAdministrativeExpense	2,116,527us-gaap_GeneralAndAdministrativeExpense	1,813,150us-gaap_GeneralAndAdministrativeExpense
Depreciation and amortization									10,551,527	8,377,902	6,012,755
Operating									4,668,196us-gaap_OtherCostOfOperatingRevenue	4,201,928us-gaap_OtherCostOfOperatingRevenue	3,580,690us-gaap_OtherCostOfOperatingRevenue
Renting									430,949us-gaap_LeaseAndRentalExpense	202,787us-gaap_LeaseAndRentalExpense	180,574us-gaap_LeaseAndRentalExpense
Repairs and maintenance									6,608,290	5,815,264	5,075,037
Taxes and insurance									5,519,432us-gaap_RealEstateTaxesAndInsurance	4,948,569us-gaap_RealEstateTaxesAndInsurance	4,299,169us-gaap_RealEstateTaxesAndInsurance
Total Expenses	7,924,264us-gaap_OperatingExpenses	7,916,421us-gaap_OperatingExpenses	7,835,735us-gaap_OperatingExpenses	8,053,306us-gaap_OperatingExpenses	7,654,735us-gaap_OperatingExpenses	7,484,223us-gaap_OperatingExpenses	6,113,940us-gaap_OperatingExpenses	5,980,237us-gaap_OperatingExpenses	31,729,726us-gaap_OperatingExpenses	27,233,135us-gaap_OperatingExpenses	22,389,427us-gaap_OperatingExpenses
Income Before Other Income	2,886,563us-gaap_OperatingIncomeLoss	2,726,608us-gaap_OperatingIncomeLoss	2,724,800us-gaap_OperatingIncomeLoss	2,564,622us-gaap_OperatingIncomeLoss	2,719,610us-gaap_OperatingIncomeLoss	2,483,529us-gaap_OperatingIncomeLoss	2,888,822us-gaap_OperatingIncomeLoss	3,039,456us-gaap_OperatingIncomeLoss	10,902,593us-gaap_OperatingIncomeLoss	11,131,417us-gaap_OperatingIncomeLoss	12,779,743us-gaap_OperatingIncomeLoss
Other Income (loss)
Interest expense									(9,553,200)us-gaap_InterestExpense	(8,013,109)us-gaap_InterestExpense	(7,695,232)us-gaap_InterestExpense
Interest Income									754us-gaap_InvestmentIncomeInterest	1,118us-gaap_InvestmentIncomeInterest	2,216us-gaap_InvestmentIncomeInterest
Gain on Sale of Real Estate										3,678,839
Total Other Income (loss)	(2,295,307)us-gaap_NonoperatingIncomeExpense	(2,545,121)us-gaap_NonoperatingIncomeExpense	(2,443,079)us-gaap_NonoperatingIncomeExpense	(2,594,236)us-gaap_NonoperatingIncomeExpense	(2,401,979)us-gaap_NonoperatingIncomeExpense	(2,515,749)us-gaap_NonoperatingIncomeExpense	(2,098,628)us-gaap_NonoperatingIncomeExpense	(2,157,562)us-gaap_NonoperatingIncomeExpense	(9,877,743)us-gaap_NonoperatingIncomeExpense	(9,173,918)us-gaap_NonoperatingIncomeExpense	(9,179,293)us-gaap_NonoperatingIncomeExpense
Net Income (Loss)	591,256us-gaap_NetIncomeLoss	181,487us-gaap_NetIncomeLoss	281,721us-gaap_NetIncomeLoss	(29,614)us-gaap_NetIncomeLoss	317,518us-gaap_NetIncomeLoss	(32,874)us-gaap_NetIncomeLoss	4,469,116us-gaap_NetIncomeLoss	901,625us-gaap_NetIncomeLoss	1,024,850us-gaap_NetIncomeLoss	5,655,385us-gaap_NetIncomeLoss	3,633,798us-gaap_NetIncomeLoss
Hamilton Essex 81
Revenues
Rental income									1,409,443	1,362,012	1,270,141
Laundry and sundry income									17,634	17,549	15,363
Total Revenues									1,427,077	1,379,562	1,285,504
Expenses
Administrative									32,908	18,330	15,237
Depreciation and amortization									434,834	428,609	409,488
Management fees									57,914	55,813	55,308
Operating									121,354	114,778	112,172
Renting									11,900	11,106	18,350
Repairs and maintenance									156,321	123,702	118,786
Taxes and insurance									228,556	216,560	197,566
Total Expenses									1,043,787	968,897	926,908
Income Before Other Income									383,290	410,665	358,596
Other Income (loss)
Interest expense									(483,197)	(488,369)	(497,631)
Interest Income									0
Interest Income from Note									0
Gain on Sale of Real Estate									0
Total Other Income (loss)									(483,197)	(488,369)	(497,631)
Net Income (Loss)									(99,907)	(77,704)	(139,035)
Proportionate share of net income (loss)									0
Hamilton Essex 81 \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									(49,954)	(38,852)	(69,517)
Percentage of ownership interest	50.00%				50.00%				50.00%	50.00%	50.00%
Hamilton Essex 81 \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									0
Hamilton Essex Development
Revenues
Rental income									291,517	287,410	287,537
Laundry and sundry income									0
Total Revenues									291,517	287,410	287,537
Expenses
Administrative									1,530	1,370	1,749
Depreciation and amortization									11,287	9,803	11,638
Management fees									11,661	11,496	11,502
Operating									0
Renting									0
Repairs and maintenance									3,810	4,950	5,475
Taxes and insurance									53,556	49,192	49,237
Total Expenses									81,844	76,812	79,600
Income Before Other Income									209,673	210,598	207,937
Other Income (loss)
Interest expense									(55,877)	(58,093)	(60,451)
Interest Income									0
Interest Income from Note									0
Gain on Sale of Real Estate									0
Total Other Income (loss)									(55,877)	(58,093)	(60,451)
Net Income (Loss)									153,796	152,505	147,486
Proportionate share of net income (loss)									0
Hamilton Essex Development \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									76,898	76,252	73,743
Percentage of ownership interest	50.00%				50.00%				50.00%	50.00%	50.00%
Hamilton Essex Development \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									0
345 Franklin
Revenues
Rental income									1,347,653	1,258,313	1,178,712
Laundry and sundry income									1,547	2,683	1,206
Total Revenues									1,349,200	1,260,996	1,179,918
Expenses
Administrative									41,319	23,813	27,942
Depreciation and amortization									401,813	428,003	441,704
Management fees									55,776	51,706	48,596
Operating									60,695	68,364	62,277
Renting									13,870	3,788	5,326
Repairs and maintenance									67,219	86,844	82,052
Taxes and insurance									118,103	114,669	106,785
Total Expenses									758,795	777,187	774,681
Income Before Other Income									590,405	483,809	405,237
Other Income (loss)
Interest expense									(391,451)	(453,197)	(486,051)
Interest Income									0	26	48
Interest Income from Note									0
Gain on Sale of Real Estate									0
Other Income (Expenses)										(68,588)
Total Other Income (loss)									(391,451)	(521,759)	(486,003)
Net Income (Loss)									198,954	(37,950)	(80,766)
Proportionate share of net income (loss)									0
Percentage of ownership interest												50.00%
345 Franklin \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									99,477	(18,975)	(40,383)
Percentage of ownership interest	50.00%				50.00%				50.00%	50.00%	50.00%
345 Franklin \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									0
Hamilton 1025
Revenues
Rental income									933,315	896,256	861,998
Laundry and sundry income									0
Total Revenues									933,315	896,256	861,998
Expenses
Administrative									8,550	9,552	5,142
Depreciation and amortization									240,808	240,658	256,696
Management fees									37,388	36,066	34,517
Operating									1,023	1,150	816
Renting									9,701	5,378	6,815
Repairs and maintenance									326,111	320,348	320,997
Taxes and insurance									158,129	151,971	145,755
Total Expenses									781,710	765,121	770,738
Income Before Other Income									151,605	131,134	91,260
Other Income (loss)
Interest expense									(280,385)	(284,257)	(288,470)
Interest Income									21	8	74
Interest Income from Note									0
Gain on Sale of Real Estate									0
Total Other Income (loss)									(280,364)	(284,249)	(288,395)
Net Income (Loss)									(128,759)	(153,114)	(197,135)
Proportionate share of net income (loss)									0
Percentage of ownership interest													50.00%
Hamilton 1025 \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									(64,380)	(76,557)	(98,567)
Percentage of ownership interest	50.00%				50.00%				50.00%	50.00%	50.00%
Hamilton 1025 \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									0
Hamilton Bay Sales
Revenues
Rental income									187,228	261,949	235,061
Laundry and sundry income									0
Total Revenues									187,228	261,949	235,061
Expenses
Administrative									4,361	10,134	7,553
Depreciation and amortization									36,183	80,697	82,287
Management fees									7,545	10,538	9,894
Operating									1,058	2,234	1,251
Renting									1,238	1,425	1,894
Repairs and maintenance									84,460	94,640	70,812
Taxes and insurance									36,624	42,765	46,017
Total Expenses									171,469	242,433	219,707
Income Before Other Income									15,759	19,516	15,354
Other Income (loss)
Interest expense									(596)	(73,819)	(98,361)
Interest Income									0	159	215
Interest Income from Note									468	3,258	6,180
Gain on Sale of Real Estate									475,335
Total Other Income (loss)									475,207	(70,402)	(91,966)
Net Income (Loss)									490,966	(50,886)	(76,612)
Proportionate share of net income (loss)									0
Hamilton Bay Sales \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									245,483	(25,443)	(38,306)
Percentage of ownership interest	50.00%				50.00%				50.00%	50.00%	50.00%
Hamilton Bay Sales \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									0
Hamilton Bay Apartments
Revenues
Rental income									943,525	911,845	886,122
Laundry and sundry income									0
Total Revenues									943,525	911,845	886,122
Expenses
Administrative									18,053	16,291	34,600
Depreciation and amortization									300,634	307,546	297,737
Management fees									38,392	35,831	34,659
Operating									1,801	1,343	1,190
Renting									6,563	10,986	4,053
Repairs and maintenance									294,811	295,144	273,652
Taxes and insurance									158,858	146,870	161,137
Total Expenses									819,112	814,012	807,027
Income Before Other Income									124,413	97,833	79,095
Other Income (loss)
Interest expense									(263,656)	(267,228)	(271,283)
Interest Income									0
Interest Income from Note									0
Gain on Sale of Real Estate									0
Total Other Income (loss)									(263,656)	(267,228)	(271,283)
Net Income (Loss)									(139,243)	(169,395)	(192,188)
Proportionate share of net income (loss)									0
Percentage of ownership interest														50.00%
Hamilton Bay Apartments \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									(69,622)	(84,697)	(96,094)
Percentage of ownership interest	50.00%				50.00%				50.00%	50.00%	50.00%
Hamilton Bay Apartments \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									0
Hamilton Minuteman
Revenues
Rental income									919,874	858,492	809,707
Laundry and sundry income									1,731	675	2,435
Total Revenues									921,605	859,167	812,142
Expenses
Administrative									8,823	6,206	7,825
Depreciation and amortization									322,642	318,095	317,231
Management fees									37,869	34,129	32,615
Operating									81,659	83,143	73,092
Renting									8,475	6,350	3,538
Repairs and maintenance									79,215	69,057	57,448
Taxes and insurance									119,406	121,442	102,505
Total Expenses									658,089	638,423	594,254
Income Before Other Income									263,516	220,744	217,888
Other Income (loss)
Interest expense									(308,646)	(312,507)	(317,448)
Interest Income									0
Interest Income from Note									0
Gain on Sale of Real Estate									0
Total Other Income (loss)									(308,646)	(312,507)	(317,448)
Net Income (Loss)									(45,130)	(91,763)	(99,560)
Proportionate share of net income (loss)									0
Percentage of ownership interest															50.00%
Hamilton Minuteman \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									(22,565)	(45,882)	(49,780)
Percentage of ownership interest	50.00%				50.00%				50.00%	50.00%	50.00%
Hamilton Minuteman \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									0
Hamilton on Main Apts
Revenues
Rental income									2,931,793	2,753,120	2,623,994
Laundry and sundry income									38,668	37,192	20,952
Total Revenues									2,970,461	2,790,312	2,644,946
Expenses
Administrative									54,694	38,144	46,400
Depreciation and amortization									958,081	948,478	957,452
Management fees									116,157	112,749	104,807
Operating									399,600	347,382	341,054
Renting									23,311	6,273	10,974
Repairs and maintenance									395,608	389,671	380,605
Taxes and insurance									367,278	342,995	337,256
Total Expenses									2,314,729	2,185,692	2,178,549
Income Before Other Income									655,732	604,620	466,397
Other Income (loss)
Interest expense									(800,881)	(822,109)	(840,874)
Interest Income									0
Interest Income from Note									0
Gain on Sale of Real Estate									0
Total Other Income (loss)									(800,881)	(822,109)	(840,874)
Net Income (Loss)									(145,149)	(217,489)	(374,477)
Proportionate share of net income (loss)									0
Percentage of ownership interest																50.00%
Hamilton on Main Apts \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									(72,575)	(108,744)	(187,239)
Percentage of ownership interest	50.00%				50.00%				50.00%	50.00%	50.00%
Hamilton on Main Apts \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									0
Dexter Park
Revenues
Rental income									13,658,064	12,851,259	12,202,615
Laundry and sundry income									100,935	94,715	98,042
Total Revenues									13,758,999	12,945,974	12,300,657
Expenses
Administrative									226,551	245,444	219,218
Depreciation and amortization									5,406,157	5,778,427	5,733,920
Management fees									289,170	271,505	261,355
Operating									1,233,796	1,056,919	1,006,570
Renting									177,251	105,593	74,705
Repairs and maintenance									1,181,497	1,051,832	880,103
Taxes and insurance									1,462,398	1,529,605	1,485,297
Total Expenses									9,976,820	10,039,324	9,661,169
Income Before Other Income									3,782,179	2,906,650	2,639,488
Other Income (loss)
Interest expense									(4,952,328)	(5,016,659)	(5,092,838)
Interest Income									0	57
Interest Income from Note									0
Gain on Sale of Real Estate									0
Total Other Income (loss)									(4,952,328)	(5,016,602)	(5,092,838)
Net Income (Loss)									(1,170,149)	(2,109,952)	(2,453,350)
Proportionate share of net income (loss)									0
Percentage of ownership interest																	40.00%
Dexter Park \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									0
Dexter Park \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									(468,061)	(843,981)	(981,340)
Percentage of ownership interest	40.00%				40.00%				40.00%	40.00%	40.00%
Total
Revenues
Rental income									22,622,412	21,440,655	20,355,887
Laundry and sundry income									160,515	152,814	137,999
Total Revenues									22,782,927	21,593,469	20,493,885
Expenses
Administrative									396,789	369,284	365,666
Depreciation and amortization									8,112,439	8,540,316	8,508,153
Management fees									651,872	619,833	593,253
Operating									1,900,986	1,675,312	1,598,421
Renting									252,309	150,898	125,655
Repairs and maintenance									2,589,052	2,436,188	2,189,930
Taxes and insurance									2,702,908	2,716,069	2,631,555
Total Expenses									16,606,355	16,507,900	16,012,632
Income Before Other Income									6,176,572	5,085,569	4,481,253
Other Income (loss)
Interest expense									(7,537,017)	(7,776,238)	(7,953,407)
Interest Income									21	250	337
Interest Income from Note									468	3,258	6,180
Gain on Sale of Real Estate									475,335
Other Income (Expenses)										(68,588)
Total Other Income (loss)									(7,061,193)	(7,841,318)	(7,946,890)
Net Income (Loss)									(884,621)	(2,755,749)	(3,465,636)
Proportionate share of net income (loss)									(325,297)	(1,166,879)	(1,487,483)
Total \| NERA 50%
Other Income (loss)
Proportionate share of net income (loss)									142,764	(322,898)	(506,143)
Total \| NERA 40%
Other Income (loss)
Proportionate share of net income (loss)									$ (468,061)	$ (843,981)	$ (981,340)