INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016	Oct. 28, 2009	Oct. 03, 2005	Mar. 02, 2005	Sep. 30, 2004	Aug. 31, 2004	Nov. 30, 2001
Investment Properties
Revenues
Rental income	$ 6,082,799	$ 6,090,723
Laundry and Sundry Income	38,431	41,933
Total Revenues	6,121,230	6,132,656
Expenses
Administrative	79,279	93,356
Depreciation and amortization	1,489,214	1,471,921
Management Fees	179,082	175,714
Operating	532,304	504,059
Renting	38,718	39,049
Repairs and Maintenance	620,731	649,244
Taxes and Insurance	760,774	721,092
Total Expenses	3,700,102	3,654,435
Income Before Other Income	2,421,128	2,478,221
Other Income (loss)
Interest Expense	(1,657,372)	(1,793,506)
Interest Income		3
Gain on Sale of Real Estate	710,759	168,008
Total Other Income (Loss)	(946,613)	(1,625,495)
Net Income (Loss)	1,474,516	852,726
Proportionate share of net income (loss)	672,837	369,604
Investment Properties | NERA 50%
Other Income (loss)
Proportionate share of net income (loss)	415,132	142,564
Investment Properties | NERA 40%
Other Income (loss)
Proportionate share of net income (loss)	257,705	227,040
Hamilton Essex 81 | NERA 50%
Revenues
Rental income	401,194	398,797
Laundry and Sundry Income	3,531	3,982
Total Revenues	404,725	402,779
Expenses
Administrative	5,201	15,552
Depreciation and amortization	113,299	111,964
Management Fees	17,380	14,685
Operating	23,637	30,503
Renting	3,722	540
Repairs and Maintenance	20,731	33,934
Taxes and Insurance	60,469	57,435
Total Expenses	244,439	264,613
Income Before Other Income	160,286	138,166
Other Income (loss)
Interest Expense	(78,991)	(70,608)
Total Other Income (Loss)	(78,991)	(70,608)
Net Income (Loss)	81,295	67,558
Proportionate share of net income (loss)	$ 40,648	$ 33,779
Ownership interest (as a percent)	50.00%	50.00%
Hamilton Essex Development | NERA 50%
Revenues
Rental income	$ 60,000	$ 60,000
Total Revenues	60,000	60,000
Expenses
Administrative	425	425
Depreciation and amortization	707	707
Management Fees	2,400	2,400
Taxes and Insurance	14,532	15,172
Total Expenses	18,064	18,704
Income Before Other Income	41,936	41,296
Other Income (loss)
Net Income (Loss)	41,936	41,296
Proportionate share of net income (loss)	$ 20,968	$ 20,648
Ownership interest (as a percent)	50.00%	50.00%
345 Franklin
Other Income (loss)
Ownership interest (as a percent)								50.00%
345 Franklin | NERA 50%
Revenues
Rental income	$ 372,417	$ 366,918
Laundry and Sundry Income	945	1,590
Total Revenues	373,362	368,508
Expenses
Administrative	6,390	9,987
Depreciation and amortization	86,422	86,915
Management Fees	15,958	14,837
Operating	23,145	20,123
Renting	2,136	185
Repairs and Maintenance	19,300	16,708
Taxes and Insurance	36,718	34,016
Total Expenses	190,069	182,771
Income Before Other Income	183,293	185,737
Other Income (loss)
Interest Expense	(99,404)	(99,504)
Total Other Income (Loss)	(99,404)	(99,504)
Net Income (Loss)	83,889	86,233
Proportionate share of net income (loss)	$ 41,945	$ 43,117
Ownership interest (as a percent)	50.00%	50.00%
Hamilton 1025
Other Income (loss)
Ownership interest (as a percent)					50.00%
Hamilton 1025 | NERA 50%
Revenues
Rental income	$ 130,398	$ 235,321
Total Revenues	130,398	235,321
Expenses
Administrative	964	1,427
Depreciation and amortization	45,626	59,065
Management Fees	4,763	9,525
Operating	(37)	365
Renting	62
Repairs and Maintenance	55,502	77,481
Taxes and Insurance	29,378	42,949
Total Expenses	136,258	190,812
Income Before Other Income	(5,860)	44,509
Other Income (loss)
Interest Expense	(503)	(69,516)
Interest Income		3
Gain on Sale of Real Estate	710,759
Total Other Income (Loss)	710,256	(69,513)
Net Income (Loss)	704,396	(25,004)
Proportionate share of net income (loss)	$ 352,199	$ (12,502)
Ownership interest (as a percent)	50.00%	50.00%
Hamilton Bay Sales | NERA 50%
Revenues
Rental income	$ 2,867	$ 16,665
Total Revenues	2,867	16,665
Expenses
Administrative	824	1,899
Depreciation and amortization	1,230	6,292
Management Fees	135	670
Operating	19	152
Renting	62
Repairs and Maintenance	1,980	8,017
Taxes and Insurance	863	4,217
Total Expenses	5,113	21,247
Income Before Other Income	(2,246)	(4,582)
Other Income (loss)
Interest Expense	(2)	(47)
Gain on Sale of Real Estate		168,008
Total Other Income (Loss)	(2)	167,961
Net Income (Loss)	(2,248)	163,379
Proportionate share of net income (loss)	$ (1,124)	$ 81,690
Ownership interest (as a percent)	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	$ 222,036	$ 248,827
Total Revenues	222,036	248,827
Expenses
Administrative	3,065	1,980
Depreciation and amortization	81,252	79,392
Management Fees	8,650	10,241
Operating	652	294
Renting	62	477
Repairs and Maintenance	106,605	99,792
Taxes and Insurance	46,095	41,909
Total Expenses	246,381	234,085
Income Before Other Income	(24,345)	14,742
Other Income (loss)
Interest Expense	(41,525)	(65,912)
Total Other Income (Loss)	(41,525)	(65,912)
Net Income (Loss)	(65,870)	(51,170)
Proportionate share of net income (loss)	$ (32,935)	$ (25,585)
Ownership interest (as a percent)	50.00%	50.00%
Hamilton Minuteman
Other Income (loss)
Ownership interest (as a percent)						50.00%
Hamilton Minuteman | NERA 50%
Revenues
Rental income	$ 256,788	$ 248,561
Laundry and Sundry Income	675	245
Total Revenues	257,463	248,806
Expenses
Administrative	1,205	1,307
Depreciation and amortization	86,675	84,684
Management Fees	11,141	10,335
Operating	27,875	23,663
Renting	1,321	3,855
Repairs and Maintenance	20,854	53,661
Taxes and Insurance	31,445	29,424
Total Expenses	180,516	206,929
Income Before Other Income	76,947	41,877
Other Income (loss)
Interest Expense	(59,091)	(76,316)
Total Other Income (Loss)	(59,091)	(76,316)
Net Income (Loss)	17,856	(34,439)
Proportionate share of net income (loss)	$ 8,929	$ (17,220)
Ownership interest (as a percent)	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	$ 826,303	$ 798,328
Laundry and Sundry Income	8,947	10,583
Total Revenues	835,250	808,911
Expenses
Administrative	11,018	11,508
Depreciation and amortization	242,316	237,896
Management Fees	34,103	31,925
Operating	104,159	69,090
Renting	10,026	5,503
Repairs and Maintenance	164,126	96,020
Taxes and Insurance	109,815	127,811
Total Expenses	675,563	579,753
Income Before Other Income	159,687	229,158
Other Income (loss)
Interest Expense	(190,684)	(191,883)
Total Other Income (Loss)	(190,684)	(191,883)
Net Income (Loss)	(30,997)	37,275
Proportionate share of net income (loss)	$ (15,498)	$ 18,638
Ownership interest (as a percent)	50.00%	50.00%
Dexter Park
Other Income (loss)
Ownership interest (as a percent)			40.00%
Dexter Park | NERA 40%
Revenues
Rental income	$ 3,810,796	$ 3,717,306
Laundry and Sundry Income	24,333	25,533
Total Revenues	3,835,129	3,742,839
Expenses
Administrative	50,187	49,271
Depreciation and amortization	831,687	805,006
Management Fees	84,552	81,096
Operating	352,854	359,869
Renting	21,327	28,489
Repairs and Maintenance	231,633	263,631
Taxes and Insurance	431,459	368,159
Total Expenses	2,003,699	1,955,521
Income Before Other Income	1,831,430	1,787,318
Other Income (loss)
Interest Expense	(1,187,172)	(1,219,720)
Total Other Income (Loss)	(1,187,171)	(1,219,720)
Net Income (Loss)	644,259	567,598
Proportionate share of net income (loss)	$ 257,705	$ 227,040
Ownership interest (as a percent)	40.00%	40.00%