INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenues
Rental Income	$ 19,841,559	$ 17,964,963	$ 39,551,991	$ 35,533,690
Laundry and Sundry Income	209,007	136,073	391,974	259,032
Total Revenues	20,050,566	18,101,036	39,943,965	35,792,722
Expenses
Administrative	651,978	867,721	1,413,997	1,604,822
Depreciation and Amortization	4,277,482	3,961,432	8,505,064	7,807,693
Management Fees	782,856	665,073	1,571,463	1,362,837
Renting	150,772	244,434	538,371	436,019
Repairs and Maintenance	3,500,467	3,479,071	6,348,424	6,241,845
Taxes and Insurance	2,510,031	2,423,722	4,992,399	4,894,401
Total Expenses	13,512,402	13,362,686	27,654,028	26,602,646
Income Before Other Income (Expense)	6,538,164	4,738,350	12,289,937	9,190,076
Other Income (Loss)
Interest income	1,112,988	1,292,453	2,290,536	2,267,000
Total Other Income (Expense)	(2,465,438)	(2,513,746)	(4,753,615)	(5,210,735)
Net Income (Loss)	4,072,726	2,224,604	7,536,322	3,979,341
Investment Properties
Revenues
Rental Income	6,573,448	6,226,054	13,280,729	12,395,623
Laundry and Sundry Income	66,014	(2,659)	126,890	51,473
Total Revenues	6,639,462	6,223,395	13,407,619	12,447,096
Expenses
Administrative	98,396	114,053	183,532	188,518
Depreciation and Amortization	1,484,963	1,473,063	2,948,685	2,934,073
Management Fees	181,488	162,886	369,175	333,900
Operating	551,127	501,744	1,278,099	1,153,996
Renting	65,856	77,563	136,717	142,932
Repairs and Maintenance	824,689	863,313	1,415,996	1,434,354
Taxes and Insurance	954,957	950,102	1,878,700	1,879,474
Total Expenses	4,161,476	4,142,724	8,210,904	8,067,247
Income Before Other Income (Expense)	2,477,986	2,080,671	5,196,715	4,379,849
Other Income (Loss)
Interest Expense	(1,802,252)	(1,804,559)	(3,633,187)	(3,573,231)
Other Income (Expense)			63,745
Interest income	51,331		100,890
Total Other Income (Expense)	(1,750,921)	(1,804,559)	(3,468,552)	(3,573,231)
Net Income (Loss)	727,065	276,112	1,728,163	806,618
Proportionate share of net income (loss)	321,269	119,664	762,560	347,368
Investment Properties | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	152,230	46,087	356,475	123,593
Investment Properties | NERA 40%
Other Income (Loss)
Proportionate share of net income (loss)	169,039	73,577	406,085	223,774
Hamilton Essex 81
Revenues
Rental Income	450,375	411,189	918,853	850,177
Laundry and Sundry Income	3,568	337	6,344	3,040
Total Revenues	453,943	411,526	925,197	853,217
Expenses
Administrative	5,325	5,791	10,543	10,531
Depreciation and Amortization	116,067	117,146	231,911	234,133
Management Fees	16,759	14,652	37,186	33,744
Operating	93,958	67,170	176,997	150,518
Renting	6,395	27,770	7,634	30,945
Repairs and Maintenance	56,162	41,487	94,619	95,955
Taxes and Insurance	94,622	70,311	163,965	141,245
Total Expenses	389,288	344,327	722,855	697,071
Income Before Other Income (Expense)	64,655	67,199	202,342	156,146
Other Income (Loss)
Interest Expense	(197,041)	(186,539)	(394,241)	(358,852)
Interest income	10,829		21,250
Total Other Income (Expense)	(186,212)	(186,539)	(372,991)	(358,852)
Net Income (Loss)	(121,557)	(119,340)	(170,649)	(202,706)
Hamilton Essex 81 | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	(60,780)	(59,670)	(85,324)	(101,353)
Hamilton Essex Development
Revenues
Rental Income	60,471	60,471	120,942	120,942
Total Revenues	60,471	60,471	120,942	120,942
Expenses
Administrative	1,000	750	3,000	1,500
Depreciation and Amortization	2,928	2,928	5,855	5,855
Management Fees	1,653	1,589	4,132	4,768
Taxes and Insurance	17,600	15,224	35,192	30,681
Total Expenses	23,181	20,491	48,179	42,804
Income Before Other Income (Expense)	37,290	39,980	72,763	78,138
Other Income (Loss)
Interest income	419		1,190
Total Other Income (Expense)	419		1,190
Net Income (Loss)	37,709	39,980	73,953	78,138
Hamilton Essex Development | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	18,854	19,990	36,976	39,070
345 Franklin
Revenues
Rental Income	447,328	422,123	891,084	834,013
Laundry and Sundry Income	(242)		(236)
Total Revenues	447,086	422,123	890,848	834,013
Expenses
Administrative	6,059	9,574	14,979	13,043
Depreciation and Amortization	86,398	86,560	172,796	172,866
Management Fees	17,537	16,495	34,954	32,632
Operating	15,519	31,655	41,384	57,035
Renting	5,681	9,943	9,776	18,200
Repairs and Maintenance	21,838	38,327	44,882	62,538
Taxes and Insurance	50,195	47,111	99,480	94,286
Total Expenses	203,227	239,665	418,251	450,600
Income Before Other Income (Expense)	243,859	182,458	472,597	383,413
Other Income (Loss)
Interest Expense	(84,238)	(86,515)	(169,105)	(173,474)
Interest income	2,268		4,629
Total Other Income (Expense)	(81,970)	(86,515)	(164,476)	(173,474)
Net Income (Loss)	161,889	95,943	308,121	209,939
345 Franklin | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	80,944	47,972	154,060	104,970
Hamilton 1025
Revenues
Rental Income	24,745	24,867	51,633	49,735
Total Revenues	24,745	24,867	51,633	49,735
Expenses
Administrative	700	951	1,401	1,871
Depreciation and Amortization	816	816	1,632	1,632
Management Fees	1,006	994	2,068	1,989
Operating	174	75	(38)	142
Renting	45		63
Repairs and Maintenance	1,650		1,650
Taxes and Insurance	5,498	4,203	10,174	8,704
Total Expenses	9,889	7,039	16,950	14,338
Income Before Other Income (Expense)	14,856	17,828	34,683	35,397
Other Income (Loss)
Interest Expense	(205)
Interest income	418		418
Total Other Income (Expense)	213		418
Net Income (Loss)	15,069	17,828	35,101	35,397
Hamilton 1025 | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	7,535	8,914	17,550	17,699
Hamilton Minuteman
Revenues
Rental Income	360,169	325,228	711,617	638,730
Total Revenues	360,169	325,228	711,617	638,730
Expenses
Administrative	3,384	5,607	10,318	9,482
Depreciation and Amortization	83,272	84,591	166,005	168,308
Management Fees	14,079	12,857	28,309	25,663
Operating	19,202	30,856	64,776	68,372
Renting	4,161	205	9,691	1,573
Repairs and Maintenance	31,880	23,299	61,165	44,233
Taxes and Insurance	39,588	35,042	78,756	70,400
Total Expenses	195,566	192,457	419,020	388,031
Income Before Other Income (Expense)	164,603	132,771	292,597	250,699
Other Income (Loss)
Interest Expense	(59,144)	(59,358)	(118,295)	(118,108)
Interest income	2,980		5,463
Total Other Income (Expense)	(56,164)	(59,358)	(112,832)	(118,108)
Net Income (Loss)	108,439	73,413	179,765	132,591
Hamilton Minuteman | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	54,220	36,708	89,883	66,296
Hamilton on Main Apts
Revenues
Rental Income	1,049,070	963,511	2,057,301	1,886,063
Laundry and Sundry Income	12,580	(15,429)	25,244
Total Revenues	1,061,650	948,082	2,082,545	1,886,063
Expenses
Administrative	33,819	26,269	43,143	38,973
Depreciation and Amortization	272,073	265,496	533,325	530,006
Management Fees	42,043	36,933	82,234	74,129
Operating	110,070	95,322	244,472	224,264
Renting	29,150	12,509	56,737	24,455
Repairs and Maintenance	183,947	183,276	330,278	336,730
Taxes and Insurance	105,451	130,566	206,992	262,939
Total Expenses	776,553	750,371	1,497,181	1,491,496
Income Before Other Income (Expense)	285,097	197,711	585,364	394,567
Other Income (Loss)
Interest Expense	(191,983)	(213,366)	(385,098)	(400,743)
Other Income (Expense)			63,745
Interest income	9,801		22,651
Total Other Income (Expense)	(182,182)	(213,366)	(298,702)	(400,743)
Net Income (Loss)	102,915	(15,655)	286,662	(6,176)
Hamilton on Main Apts | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	51,459	(7,827)	143,331	(3,088)
Dexter Park
Revenues
Rental Income	4,181,290	4,018,665	8,529,299	8,015,963
Laundry and Sundry Income	50,108	12,433	95,538	48,433
Total Revenues	4,231,398	4,031,098	8,624,837	8,064,396
Expenses
Administrative	48,109	65,111	100,148	113,118
Depreciation and Amortization	923,409	915,526	1,837,161	1,821,273
Management Fees	88,411	79,366	180,292	160,975
Operating	312,204	276,666	750,508	653,665
Renting	20,424	27,136	52,816	67,759
Repairs and Maintenance	529,212	576,924	883,402	894,898
Taxes and Insurance	642,003	647,645	1,284,141	1,271,219
Total Expenses	2,563,772	2,588,374	5,088,468	4,982,907
Income Before Other Income (Expense)	1,667,626	1,442,724	3,536,369	3,081,489
Other Income (Loss)
Interest Expense	(1,269,641)	(1,258,781)	(2,566,448)	(2,522,054)
Interest income	24,616		45,289
Total Other Income (Expense)	(1,245,025)	(1,258,781)	(2,521,159)	(2,522,054)
Net Income (Loss)	422,601	183,943	1,015,212	559,435
Dexter Park | NERA 40%
Other Income (Loss)
Proportionate share of net income (loss)	$ 169,039	$ 73,577	$ 406,085	$ 223,774
NERA 50%
Other Income (Loss)
Ownership interest (as a percent)	50.00%	50.00%	50.00%	50.00%
NERA 40%
Other Income (Loss)
Ownership interest (as a percent)	40.00%	40.00%	40.00%	40.00%