INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Revenues
Rental Income	$ 20,021,133	$ 18,804,320	$ 59,573,125	$ 54,338,011
Laundry and Sundry Income	187,902	157,322	579,876	416,354
Total Revenues	20,209,035	18,961,642	60,153,001	54,754,365
Expenses
Administrative	679,674	642,907	2,093,671	2,247,729
Depreciation and Amortization	4,224,211	4,426,701	12,729,275	12,234,394
Management Fees	802,908	810,436	2,374,371	2,173,272
Renting	407,911	391,093	946,282	827,112
Repairs and Maintenance	3,618,610	3,611,652	9,967,034	9,853,498
Taxes and Insurance	2,495,136	2,569,250	7,487,535	7,463,651
Total Expenses	13,738,359	14,062,381	41,392,388	40,665,027
Income Before Other Income (Expense)	6,470,676	4,899,261	18,760,613	14,089,338
Other Income (Loss)
Interest income	1,123,084	1,083,423	3,413,620	3,350,423
Total Other Income (Expense)	(2,561,278)	(2,724,035)	(7,314,893)	(7,934,770)
Net Income	3,909,398	2,175,226	11,445,720	6,154,568
Investment Properties
Revenues
Rental Income	6,650,694	6,363,512	19,931,422	18,768,869
Laundry and Sundry Income	51,620	63,217	178,510	104,955
Total Revenues	6,702,314	6,426,729	20,109,932	18,873,824
Expenses
Administrative	102,561	108,968	265,286	297,486
Depreciation and Amortization	1,502,051	1,487,555	4,450,735	4,421,628
Management Fees	194,343	180,030	563,519	513,932
Operating	555,701	532,720	1,833,799	1,686,716
Renting	124,552	90,479	261,268	233,409
Repairs and Maintenance	1,106,348	923,701	2,522,346	2,358,054
Taxes and Insurance	977,416	989,164	2,856,116	2,868,638
Total Expenses	4,562,972	4,312,617	12,753,069	12,379,863
Income Before Other Income (Expense)	2,139,342	2,114,112	7,356,863	6,493,961
Other Income (Loss)
Interest Expense	(1,884,093)	(1,789,373)	(5,517,281)	(5,362,604)
Other Income (Expense)			42,938
Interest income	70,157		171,047
Total Other Income (Expense)	(1,813,936)	(1,789,373)	(5,303,296)	(5,362,604)
Net Income	325,406	324,739	2,053,567	1,131,357
Proportionate share of net income (loss)	146,647	148,723	909,207	496,092
Investment Properties | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	82,420	94,145	438,894	217,739
Investment Properties | NERA 40%
Other Income (Loss)
Proportionate share of net income (loss)	64,227	54,578	470,313	278,353
Hamilton Essex 81
Revenues
Rental Income	498,469	450,353	1,417,322	1,305,180
Laundry and Sundry Income	3,054	2,418	9,399	807
Total Revenues	501,523	452,771	1,426,721	1,305,987
Expenses
Administrative	5,816	4,426	16,359	14,957
Depreciation and Amortization	118,091	117,886	350,002	352,019
Management Fees	20,302	18,730	57,488	52,475
Operating	142,906	78,368	319,903	228,886
Renting	25,469	24,988	33,103	55,933
Repairs and Maintenance	73,640	44,602	168,259	140,557
Taxes and Insurance	49,619	69,964	213,584	211,209
Total Expenses	435,843	358,964	1,158,698	1,056,036
Income Before Other Income (Expense)	65,680	93,807	268,023	249,951
Other Income (Loss)
Interest Expense	(199,679)	(194,683)	(593,920)	(553,535)
Interest income	11,282		32,532
Total Other Income (Expense)	(188,397)	(194,683)	(561,388)	(553,535)
Net Income	(122,717)	(100,876)	(293,365)	(303,584)
Hamilton Essex 81 | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	(61,359)	(50,439)	(146,682)	(151,792)
Hamilton Essex Development
Revenues
Rental Income	60,471	60,471	181,413	181,413
Total Revenues	60,471	60,471	181,413	181,413
Expenses
Administrative	1,000	778	4,000	2,278
Depreciation and Amortization	2,927	2,927	8,782	8,782
Management Fees	2,479	2,416	6,611	7,183
Taxes and Insurance	16,279	15,438	51,471	46,119
Total Expenses	22,685	21,559	70,864	64,362
Income Before Other Income (Expense)	37,786	38,912	110,549	117,051
Other Income (Loss)
Interest income	290		1,480
Total Other Income (Expense)	290		1,480
Net Income	38,076	38,912	112,029	117,051
Hamilton Essex Development | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	19,038	19,456	56,015	58,527
345 Franklin
Revenues
Rental Income	455,505	431,453	1,346,589	1,265,519
Laundry and Sundry Income		168	(236)	115
Total Revenues	455,505	431,621	1,346,353	1,265,634
Expenses
Administrative	7,568	10,574	22,547	23,617
Depreciation and Amortization	86,596	86,878	259,392	259,744
Management Fees	17,955	16,856	52,909	49,489
Operating	18,280	13,741	59,664	70,775
Renting	12,241	16,641	22,016	34,840
Repairs and Maintenance	54,569	64,889	99,452	127,427
Taxes and Insurance	49,898	48,988	149,378	143,274
Total Expenses	247,107	258,567	665,358	709,166
Income Before Other Income (Expense)	208,398	173,054	680,995	556,468
Other Income (Loss)
Interest Expense	(83,768)	(85,476)	(252,874)	(258,949)
Interest income	2,406		7,035
Total Other Income (Expense)	(81,362)	(85,476)	(245,839)	(258,949)
Net Income	127,036	87,578	435,156	297,519
345 Franklin | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	63,518	43,789	217,578	148,760
Hamilton 1025
Revenues
Rental Income	25,610	24,255	77,243	73,989
Total Revenues	25,610	24,255	77,243	73,989
Expenses
Administrative	700	729	2,101	2,600
Depreciation and Amortization	816	816	2,448	2,448
Management Fees	1,057	1,011	3,126	3,000
Operating	123	75	86	218
Renting	30		93
Repairs and Maintenance			1,650
Taxes and Insurance	4,503	4,333	14,677	13,037
Total Expenses	7,229	6,964	24,181	21,303
Income Before Other Income (Expense)	18,381	17,291	53,062	52,686
Other Income (Loss)
Interest income	211		629
Total Other Income (Expense)	211		629
Net Income	18,592	17,291	53,691	52,686
Hamilton 1025 | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	9,296	8,645	26,846	26,343
Hamilton Minuteman
Revenues
Rental Income	364,435	338,729	1,076,051	977,459
Total Revenues	364,435	338,729	1,076,051	977,459
Expenses
Administrative	4,065	3,140	14,383	12,622
Depreciation and Amortization	84,153	85,184	250,158	253,492
Management Fees	14,520	13,606	42,829	39,269
Operating	19,741	25,399	84,517	93,771
Renting	3,865	4,023	13,556	5,596
Repairs and Maintenance	42,734	32,802	103,900	77,035
Taxes and Insurance	40,197	38,211	118,953	108,611
Total Expenses	209,275	202,365	628,296	590,396
Income Before Other Income (Expense)	155,160	136,364	447,755	387,063
Other Income (Loss)
Interest Expense	(59,749)	(59,586)	(178,044)	(177,694)
Interest income	1,991		7,454
Total Other Income (Expense)	(57,758)	(59,586)	(170,590)	(177,694)
Net Income	97,402	76,778	277,165	209,369
Hamilton Minuteman | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	48,701	38,390	138,583	104,685
Hamilton on Main Apts
Revenues
Rental Income	1,037,278	986,514	3,094,579	2,877,609
Laundry and Sundry Income	11,685	16,329	36,929	11,298
Total Revenues	1,048,963	1,002,843	3,131,508	2,888,907
Expenses
Administrative	35,429	20,469	57,765	59,441
Depreciation and Amortization	273,712	266,962	807,037	796,968
Management Fees	48,469	39,514	130,703	113,643
Operating	102,651	105,437	347,123	329,701
Renting	31,214	14,099	87,951	38,553
Repairs and Maintenance	200,707	163,163	530,985	499,894
Taxes and Insurance	123,938	132,214	330,930	395,153
Total Expenses	816,120	741,858	2,292,494	2,233,353
Income Before Other Income (Expense)	232,843	260,985	839,014	655,554
Other Income (Loss)
Interest Expense	(248,334)	(192,376)	(633,432)	(593,120)
Other Income (Expense)			42,938
Interest income	21,940		44,590
Total Other Income (Expense)	(226,394)	(192,376)	(545,904)	(593,120)
Net Income	6,449	68,609	293,110	62,434
Hamilton on Main Apts | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	3,226	34,305	146,555	31,217
Dexter Park
Revenues
Rental Income	4,208,926	4,071,737	12,738,225	12,087,700
Laundry and Sundry Income	36,881	44,302	132,418	92,735
Total Revenues	4,245,807	4,116,039	12,870,643	12,180,435
Expenses
Administrative	47,983	68,852	148,131	181,971
Depreciation and Amortization	935,756	926,902	2,772,916	2,748,175
Management Fees	89,561	87,897	269,853	248,873
Operating	272,000	309,700	1,022,506	963,365
Renting	51,733	30,728	104,549	98,487
Repairs and Maintenance	734,698	618,245	1,618,100	1,513,141
Taxes and Insurance	692,982	680,016	1,977,123	1,951,235
Total Expenses	2,824,713	2,722,340	7,913,178	7,705,247
Income Before Other Income (Expense)	1,421,094	1,393,699	4,957,465	4,475,188
Other Income (Loss)
Interest Expense	(1,292,563)	(1,257,252)	(3,859,011)	(3,779,306)
Interest income	32,037		77,327
Total Other Income (Expense)	(1,260,526)	(1,257,252)	(3,781,684)	(3,779,306)
Net Income	160,568	136,447	1,175,781	695,882
Dexter Park | NERA 40%
Other Income (Loss)
Proportionate share of net income (loss)	$ 64,227	$ 54,578	$ 470,313	$ 278,353
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%