INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Oct. 28, 2009	Oct. 03, 2005	Mar. 02, 2005	Sep. 30, 2004	Aug. 31, 2004	Nov. 30, 2001
Investment Properties
Revenues
Rental income	$ 6,025,406	$ 5,849,952	$ 12,116,129	$ 11,622,093
Laundry and Sundry Income	44,100	36,638	86,033	69,339
Total Revenues	6,069,506	5,886,590	12,202,162	11,691,432
Expenses
Administrative	75,361	80,321	168,714	162,417
Depreciation and amortization	1,482,711	1,469,370	2,954,638	2,932,705
Management Fees	178,086	176,068	353,799	343,488
Operating	390,264	367,515	894,324	1,072,391
Renting	50,986	28,540	90,035	59,536
Repairs and Maintenance	760,666	685,986	1,409,909	1,206,400
Taxes and Insurance	715,582	669,580	1,436,671	1,328,837
Total Expenses	3,653,656	3,477,380	7,308,090	7,105,774
Income Before Other Income	2,415,850	2,409,210	4,894,072	4,585,658
Other Income (loss)
Interest Expense	(1,787,741)	(1,877,917)	(3,581,247)	(3,742,642)
Interest Income	5	1	9	8
Other Income (Expense)				(28)
Gain on Sale of Real Estate	67,462	96	235,470
Total Other Income (Loss)	(1,720,274)	(1,877,820)	(3,345,768)	(3,742,662)
Net Income (Loss)	695,576	531,390	1,548,304	842,996
Proportionate share of net income (loss)	288,478	221,586	658,082	346,820
Investment Properties | NERA 50%
Other Income (loss)
Proportionate share of net income (loss)	51,238	45,142	193,802	48,106
Investment Properties | NERA 40%
Other Income (loss)
Proportionate share of net income (loss)	237,240	176,445	464,280	298,714
Hamilton Essex 81 | NERA 50%
Revenues
Rental income	369,120	362,007	767,917	721,908
Laundry and Sundry Income	4,375		8,357	2,492
Total Revenues	373,495	362,007	776,274	724,400
Expenses
Administrative	4,545	4,369	20,096	8,306
Depreciation and amortization	113,230	108,848	225,194	216,187
Management Fees	15,366	16,392	30,050	31,737
Operating	19,855	21,230	50,358	58,763
Renting	6,299	6,221	6,839	6,721
Repairs and Maintenance	42,149	40,751	76,084	66,434
Taxes and Insurance	57,873	53,458	115,308	106,875
Total Expenses	259,317	251,269	523,929	495,023
Income Before Other Income	114,178	110,738	252,345	229,377
Other Income (loss)
Interest Expense	(71,039)	(123,160)	(141,647)	(245,523)
Total Other Income (Loss)	(71,039)	(123,160)	(141,647)	(245,523)
Net Income (Loss)	43,139	(12,422)	110,698	(16,146)
Proportionate share of net income (loss)	$ 21,570	$ (6,211)	$ 55,349	$ (8,073)
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
Hamilton Essex Development | NERA 50%
Revenues
Rental income	$ 60,000	$ 72,523	$ 120,000	$ 145,045
Total Revenues	60,000	72,523	120,000	145,045
Expenses
Administrative	464	425	889	1,008
Depreciation and amortization	707	707	1,415	1,415
Management Fees	2,400	2,901	4,800	5,802
Repairs and Maintenance	3,150		3,150
Taxes and Insurance	15,431	13,423	30,602	26,844
Total Expenses	22,152	17,456	40,856	35,069
Income Before Other Income	37,848	55,067	79,144	109,976
Other Income (loss)
Interest Expense		(15,734)		(31,401)
Total Other Income (Loss)		(15,734)		(31,401)
Net Income (Loss)	37,848	39,333	79,144	78,575
Proportionate share of net income (loss)	$ 18,924	$ 19,667	$ 39,572	$ 39,287
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
345 Franklin
Other Income (loss)
Ownership interest (as a percent)										50.00%
345 Franklin | NERA 50%
Revenues
Rental income	$ 358,043	$ 342,800	$ 724,962	$ 678,276
Laundry and Sundry Income	507		2,097	323
Total Revenues	358,550	342,800	727,059	678,599
Expenses
Administrative	6,211	6,620	16,198	14,381
Depreciation and amortization	86,915	92,128	173,831	184,256
Management Fees	15,988	15,131	30,825	29,240
Operating	16,542	11,114	36,666	51,186
Renting	10,355	2,760	10,540	9,105
Repairs and Maintenance	12,627	13,075	29,334	19,062
Taxes and Insurance	30,407	29,941	64,423	59,877
Total Expenses	179,045	170,769	361,817	367,107
Income Before Other Income	179,505	172,031	365,242	311,492
Other Income (loss)
Interest Expense	(99,505)	(99,667)	(199,009)	(199,268)
Total Other Income (Loss)	(99,505)	(99,667)	(199,009)	(199,268)
Net Income (Loss)	80,000	72,364	166,233	112,224
Proportionate share of net income (loss)	$ 40,000	$ 36,182	$ 83,117	$ 56,111
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
Hamilton 1025
Other Income (loss)
Ownership interest (as a percent)							50.00%
Hamilton 1025 | NERA 50%
Revenues
Rental income	$ 237,156	$ 237,028	$ 472,476	$ 477,428
Total Revenues	237,156	237,028	472,476	477,428
Expenses
Administrative	1,319	1,170	2,745	3,162
Depreciation and amortization	58,999	58,777	118,064	117,548
Management Fees	8,402	9,391	17,927	18,831
Operating	220	223	585	348
Renting	1,789		1,789
Repairs and Maintenance	78,417	78,891	155,898	155,388
Taxes and Insurance	43,260	42,844	86,209	85,895
Total Expenses	192,406	191,296	383,217	381,172
Income Before Other Income	44,750	45,732	89,259	96,256
Other Income (loss)
Interest Expense	(69,173)	(70,209)	(138,688)	(139,954)
Interest Income	5	1	9	8
Total Other Income (Loss)	(69,168)	(70,208)	(138,679)	(139,946)
Net Income (Loss)	(24,418)	(24,476)	(49,420)	(43,690)
Proportionate share of net income (loss)	$ (12,209)	$ (12,238)	$ (24,710)	$ (21,845)
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
Hamilton Bay Sales | NERA 50%
Revenues
Rental income	$ 11,025	$ 30,173	$ 27,690	$ 59,468
Total Revenues	11,025	30,173	27,690	59,468
Expenses
Administrative	1,085	1,895	2,984	4,674
Depreciation and amortization	6,291	8,988	12,584	17,974
Management Fees	406	1,049	1,076	2,323
Operating	48	181	200	205
Repairs and Maintenance	5,551	12,390	13,569	23,876
Taxes and Insurance	2,855	5,056	7,071	10,936
Total Expenses	16,236	29,559	37,484	59,988
Income Before Other Income	(5,211)	614	(9,794)	(520)
Other Income (loss)
Interest Expense	(11)	(104)	(59)	(214)
Other Income (Expense)				(125)
Gain on Sale of Real Estate	67,462		235,470
Total Other Income (Loss)	67,451	(104)	235,411	(339)
Net Income (Loss)	62,240	510	225,617	(859)
Proportionate share of net income (loss)	$ 31,120	$ 255	$ 112,809	$ (430)
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
Hamilton Bay Apts
Other Income (loss)
Ownership interest (as a percent)						50.00%
Hamilton Bay Apts | NERA 50%
Revenues
Rental income	$ 245,530	$ 236,513	$ 494,357	$ 487,086
Total Revenues	245,530	236,513	494,357	487,086
Expenses
Administrative	3,890	1,809	5,870	3,624
Depreciation and amortization	79,462	78,372	158,855	156,110
Management Fees	9,362	9,937	19,604	19,432
Operating	714	44	1,008	708
Renting	477		954	2,350
Repairs and Maintenance	100,814	101,359	200,605	186,217
Taxes and Insurance	42,070	38,394	83,979	76,225
Total Expenses	236,789	229,915	470,875	444,666
Income Before Other Income	8,741	6,598	23,482	42,420
Other Income (loss)
Interest Expense	(65,065)	(66,366)	(130,978)	(132,420)
Total Other Income (Loss)	(65,065)	(66,366)	(130,978)	(132,420)
Net Income (Loss)	(56,324)	(59,768)	(107,496)	(90,000)
Proportionate share of net income (loss)	$ (28,162)	$ (29,884)	$ (53,748)	$ (45,000)
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
Hamilton Minuteman
Other Income (loss)
Ownership interest (as a percent)								50.00%
Hamilton Minuteman | NERA 50%
Revenues
Rental income	$ 243,193	$ 233,578	$ 491,754	$ 467,474
Laundry and Sundry Income	53		299
Total Revenues	243,246	233,578	492,053	467,474
Expenses
Administrative	1,293	1,069	2,600	2,693
Depreciation and amortization	84,896	80,984	169,581	161,510
Management Fees	9,588	9,620	19,922	19,445
Operating	22,568	13,935	46,231	46,482
Renting	947	1,003	4,802	4,746
Repairs and Maintenance	57,281	17,640	110,941	32,764
Taxes and Insurance	30,075	31,013	59,499	61,971
Total Expenses	206,648	155,264	413,576	329,611
Income Before Other Income	36,598	78,314	78,477	137,863
Other Income (loss)
Interest Expense	(76,031)	(77,058)	(152,347)	(153,541)
Total Other Income (Loss)	(76,031)	(77,058)	(152,347)	(153,541)
Net Income (Loss)	(39,433)	1,256	(73,870)	(15,678)
Proportionate share of net income (loss)	$ (19,717)	$ 628	$ (36,935)	$ (7,839)
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
Hamilton on Main Apts
Other Income (loss)
Ownership interest (as a percent)									50.00%
Hamilton on Main Apts | NERA 50%
Revenues
Rental income	$ 806,669	$ 762,855	$ 1,604,997	$ 1,524,128
Laundry and Sundry Income	10,051	11,805	20,634	22,446
Total Revenues	816,720	774,660	1,625,631	1,546,574
Expenses
Administrative	8,623	10,660	20,131	19,935
Depreciation and amortization	239,165	238,342	477,061	475,090
Management Fees	32,337	30,974	64,262	61,054
Operating	81,925	46,638	151,015	184,893
Renting	4,013	1,636	9,516	3,401
Repairs and Maintenance	131,233	98,321	227,253	182,482
Taxes and Insurance	128,012	82,793	255,822	166,301
Total Expenses	625,308	509,364	1,205,060	1,093,156
Income Before Other Income	191,412	265,296	420,571	453,418
Other Income (loss)
Interest Expense	(191,988)	(191,906)	(383,871)	(381,729)
Other Income (Expense)				97
Gain on Sale of Real Estate		96
Total Other Income (Loss)	(191,988)	(191,810)	(383,871)	(381,632)
Net Income (Loss)	(576)	73,486	36,700	71,786
Proportionate share of net income (loss)	$ (288)	$ 36,743	$ 18,350	$ 35,893
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
Dexter Park
Other Income (loss)
Ownership interest (as a percent)					40.00%
Dexter Park | NERA 40%
Revenues
Rental income	$ 3,694,670	$ 3,572,475	$ 7,411,976	$ 7,061,280
Laundry and Sundry Income	29,114	24,833	54,646	44,078
Total Revenues	3,723,784	3,597,308	7,466,622	7,105,358
Expenses
Administrative	47,931	52,304	97,201	104,634
Depreciation and amortization	813,046	802,224	1,618,053	1,602,615
Management Fees	84,237	80,673	165,333	155,624
Operating	248,392	274,150	608,261	729,806
Renting	27,106	16,920	55,595	33,213
Repairs and Maintenance	329,444	323,559	593,075	540,177
Taxes and Insurance	365,599	372,658	733,758	733,913
Total Expenses	1,915,755	1,922,488	3,871,276	3,899,982
Income Before Other Income	1,808,029	1,674,820	3,595,346	3,205,376
Other Income (loss)
Interest Expense	(1,214,929)	(1,233,713)	(2,434,648)	(2,458,592)
Total Other Income (Loss)	(1,214,929)	(1,233,713)	(2,434,648)	(2,458,592)
Net Income (Loss)	593,100	441,107	1,160,698	746,784
Proportionate share of net income (loss)	$ 237,240	$ 176,445	$ 464,280	$ 298,714
Ownership interest (as a percent)	40.00%	40.00%	40.00%	40.00%