INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 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	$ 5,899,236	$ 5,899,665	$ 18,015,365	$ 17,521,757
Laundry and Sundry Income	35,733	41,871	121,767	111,211
Total Revenues	5,934,969	5,941,536	18,137,132	17,632,968
Expenses
Administrative	78,481	117,058	247,198	279,475
Depreciation and amortization	1,490,841	1,479,007	4,445,477	4,411,711
Management Fees	167,430	163,883	521,231	507,372
Operating	411,294	411,157	1,305,617	1,483,547
Renting	166,929	49,225	256,965	108,602
Repairs and Maintenance	905,924	778,526	2,315,834	1,985,085
Taxes and Insurance	721,094	708,364	2,157,764	2,037,201
Total Expenses	3,941,993	3,707,220	11,250,086	10,812,993
Income Before Other Income	1,992,976	2,234,316	6,887,046	6,819,975
Other Income (loss)
Interest Expense	(1,739,192)	(1,887,919)	(5,320,441)	(5,630,557)
Interest Income	1	3	10	107
Other Income (Expense)				76,523
Gain on Sale of Real Estate	901,980	76,648	1,137,450
Total Other Income (Loss)	(837,211)	(1,811,268)	(4,182,981)	(5,553,927)
Net Income (Loss)	1,155,765	423,048	2,704,065	1,266,048
Proportionate share of net income (loss)	562,584	177,890	1,220,666	524,710
Investment Properties | NERA 50%
Other Income (loss)
Proportionate share of net income (loss)	501,394	43,347	695,197	91,454
Investment Properties | NERA 40%
Other Income (loss)
Proportionate share of net income (loss)	61,190	134,543	525,469	433,256
Hamilton Essex 81 | NERA 50%
Revenues
Rental income	371,228	368,163	1,139,145	1,090,071
Laundry and Sundry Income	2,675	7,622	11,032	10,114
Total Revenues	373,903	375,785	1,150,177	1,100,185
Expenses
Administrative	5,660	8,781	25,757	17,087
Depreciation and amortization	113,626	110,629	338,820	326,816
Management Fees	17,216	14,929	47,267	46,666
Operating	24,073	22,961	74,431	81,724
Renting	16,965	2,185	23,804	8,906
Repairs and Maintenance	44,248	44,380	120,332	110,815
Taxes and Insurance	56,037	54,826	171,345	161,702
Total Expenses	277,825	258,691	801,756	753,716
Income Before Other Income	96,078	117,094	348,421	346,469
Other Income (loss)
Interest Expense	(72,768)	(122,433)	(214,415)	(367,955)
Total Other Income (Loss)	(72,768)	(122,433)	(214,415)	(367,955)
Net Income (Loss)	23,310	(5,339)	134,006	(21,486)
Proportionate share of net income (loss)	$ 11,655	$ (2,670)	$ 67,003	$ (10,743)
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	$ 180,000	$ 217,568
Total Revenues	60,000	72,523	180,000	217,568
Expenses
Administrative	425	425	1,314	1,434
Depreciation and amortization	707	708	2,122	2,122
Management Fees	2,400	2,912	7,200	8,714
Repairs and Maintenance		200	3,150	200
Taxes and Insurance	14,062	12,659	44,664	39,503
Total Expenses	17,594	16,904	58,450	51,973
Income Before Other Income	42,406	55,619	121,550	165,595
Other Income (loss)
Interest Expense		(14,882)		(46,283)
Total Other Income (Loss)		(14,882)		(46,283)
Net Income (Loss)	42,406	40,737	121,550	119,312
Proportionate share of net income (loss)	$ 21,203	$ 20,369	$ 60,775	$ 59,655
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	$ 364,649	$ 354,840	$ 1,089,610	$ 1,033,115
Laundry and Sundry Income	725		2,823	323
Total Revenues	365,374	354,840	1,092,433	1,033,438
Expenses
Administrative	7,071	11,531	23,269	25,912
Depreciation and amortization	86,988	92,140	260,819	276,396
Management Fees	15,033	13,731	45,858	42,971
Operating	16,670	16,055	53,336	67,241
Renting	4,369	3,544	14,910	12,649
Repairs and Maintenance	19,499	26,888	48,832	45,950
Taxes and Insurance	30,006	29,873	94,429	89,750
Total Expenses	179,636	193,762	541,453	560,869
Income Before Other Income	185,738	161,078	550,980	472,569
Other Income (loss)
Interest Expense	(99,433)	(99,632)	(298,442)	(298,900)
Total Other Income (Loss)	(99,433)	(99,632)	(298,442)	(298,900)
Net Income (Loss)	86,305	61,446	252,538	173,669
Proportionate share of net income (loss)	$ 43,153	$ 30,723	$ 126,270	$ 86,834
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	$ 177,852	$ 236,343	$ 650,328	$ 713,771
Total Revenues	177,852	236,343	650,328	713,771
Expenses
Administrative	5,684	2,338	8,429	5,500
Depreciation and amortization	58,998	59,312	177,062	176,861
Management Fees	6,293	9,442	24,220	28,273
Operating	147	183	732	531
Renting			1,789
Repairs and Maintenance	76,499	79,646	232,398	235,033
Taxes and Insurance	35,405	40,360	121,614	126,255
Total Expenses	183,026	191,281	566,244	572,453
Income Before Other Income	(5,174)	45,062	84,084	141,318
Other Income (loss)
Interest Expense	(10,638)	(70,688)	(149,327)	(210,641)
Interest Income	1	3	10	11
Gain on Sale of Real Estate	802,129		802,129
Total Other Income (Loss)	791,492	(70,685)	652,812	(210,630)
Net Income (Loss)	786,318	(25,623)	736,896	(69,312)
Proportionate share of net income (loss)	$ 393,158	$ (12,812)	$ 368,448	$ (34,656)
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
Hamilton Bay Sales | NERA 50%
Revenues
Rental income	$ 8,625	$ 19,080	$ 36,315	$ 78,548
Total Revenues	8,625	19,080	36,315	78,548
Expenses
Administrative	2,328	1,863	5,312	6,537
Depreciation and amortization	6,292	8,988	18,876	26,961
Management Fees	336	820	1,412	3,143
Operating	58	271	257	476
Renting		159
Repairs and Maintenance	5,187	10,879	18,756	34,914
Taxes and Insurance	1,300	5,479	8,371	16,415
Total Expenses	15,501	28,459	52,984	88,446
Income Before Other Income	(6,876)	(9,379)	(16,669)	(9,898)
Other Income (loss)
Interest Expense	(6)	(55)	(65)	(268)
Other Income (Expense)				76,523
Gain on Sale of Real Estate	99,851	76,648	335,321
Total Other Income (Loss)	99,845	76,593	335,256	76,255
Net Income (Loss)	92,969	67,214	318,587	66,357
Proportionate share of net income (loss)	$ 46,485	$ 33,607	$ 159,294	$ 33,179
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	$ 230,491	$ 246,892	$ 724,848	$ 733,978
Total Revenues	230,491	246,892	724,848	733,978
Expenses
Administrative	2,386	1,883	8,257	5,507
Depreciation and amortization	79,953	79,016	238,807	235,126
Management Fees	8,964	9,482	28,568	28,914
Operating	356	208	1,364	917
Renting	3,400		4,354	2,350
Repairs and Maintenance	104,886	87,765	305,491	273,982
Taxes and Insurance	40,318	38,861	124,296	115,086
Total Expenses	240,263	217,215	711,137	661,882
Income Before Other Income	(9,772)	29,677	13,711	72,096
Other Income (loss)
Interest Expense	(65,351)	(66,763)	(196,329)	(199,183)
Total Other Income (Loss)	(65,351)	(66,763)	(196,329)	(199,183)
Net Income (Loss)	(75,123)	(37,086)	(182,618)	(127,087)
Proportionate share of net income (loss)	$ (37,562)	$ (18,543)	$ (91,309)	$ (63,544)
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	$ 251,118	$ 231,545	$ 742,872	$ 699,019
Laundry and Sundry Income	44		343
Total Revenues	251,162	231,545	743,215	699,019
Expenses
Administrative	2,625	1,032	5,225	3,724
Depreciation and amortization	85,288	82,190	254,869	243,699
Management Fees	10,469	9,529	30,392	28,974
Operating	20,614	17,946	66,845	64,428
Renting	819	1,877	5,621	6,623
Repairs and Maintenance	(45,582)	23,864	65,358	56,628
Taxes and Insurance	30,997	30,972	90,496	92,943
Total Expenses	105,230	167,410	518,806	497,019
Income Before Other Income	145,932	64,135	224,409	202,000
Other Income (loss)
Interest Expense	(74,324)	(77,815)	(226,672)	(231,356)
Total Other Income (Loss)	(74,324)	(77,815)	(226,672)	(231,356)
Net Income (Loss)	71,608	(13,680)	(2,263)	(29,356)
Proportionate share of net income (loss)	$ 35,804	$ (6,840)	$ (1,132)	$ (14,678)
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	$ 820,748	$ 781,336	$ 2,425,746	$ 2,305,464
Laundry and Sundry Income	10,811	10,888	31,445	33,335
Total Revenues	831,559	792,224	2,457,191	2,338,799
Expenses
Administrative	11,545	12,414	31,677	32,349
Depreciation and amortization	241,279	239,747	718,340	714,838
Management Fees	33,611	30,816	97,873	91,870
Operating	81,583	111,793	232,598	296,685
Renting	3,590	2,300	13,106	5,701
Repairs and Maintenance	180,736	114,683	407,989	297,165
Taxes and Insurance	110,147	87,515	365,969	253,816
Total Expenses	662,491	599,268	1,867,552	1,692,424
Income Before Other Income	169,068	192,956	589,639	646,375
Other Income (loss)
Interest Expense	(194,071)	(193,932)	(577,942)	(575,661)
Interest Income				96
Total Other Income (Loss)	(194,071)	(193,932)	(577,942)	(575,565)
Net Income (Loss)	(25,003)	(976)	11,697	70,810
Proportionate share of net income (loss)	$ (12,502)	$ (488)	$ 5,848	$ 35,405
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	$ 3,614,525	$ 3,588,943	$ 11,026,501	$ 10,650,223
Laundry and Sundry Income	21,478	23,361	76,124	67,439
Total Revenues	3,636,003	3,612,304	11,102,625	10,717,662
Expenses
Administrative	40,757	76,791	137,958	181,425
Depreciation and amortization	817,710	806,277	2,435,762	2,408,892
Management Fees	73,108	72,222	238,441	227,847
Operating	267,793	241,740	876,054	971,545
Renting	137,786	39,160	193,381	72,373
Repairs and Maintenance	520,451	390,221	1,113,528	930,398
Taxes and Insurance	402,822	407,819	1,136,580	1,141,731
Total Expenses	2,260,427	2,034,230	6,131,704	5,934,211
Income Before Other Income	1,375,576	1,578,074	4,970,921	4,783,451
Other Income (loss)
Interest Expense	(1,222,601)	(1,241,719)	(3,657,249)	(3,700,310)
Total Other Income (Loss)	(1,222,601)	(1,241,719)	(3,657,249)	(3,700,310)
Net Income (Loss)	152,975	336,355	1,313,672	1,083,141
Proportionate share of net income (loss)	$ 61,190	$ 134,543	$ 525,469	$ 433,256
Ownership interest (as a percent)	40.00%	40.00%	40.00%	40.00%