INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues
Rental Income									$ 79,762,964	$ 73,892,393	$ 67,560,662
Laundry and Sundry Income									769,586	588,975	733,064
Total Revenues	$ 20,379,550	$ 20,209,035	$ 20,050,566	$ 19,893,399	$ 19,727,004	$ 18,961,642	$ 18,101,036	$ 17,691,686	80,532,550	74,481,368	68,293,726
Expenses
Administrative									2,935,887	2,900,432	2,731,284
Depreciation and Amortization									16,983,336	16,773,045	16,373,429
Management Fees									3,178,006	2,948,066	2,716,514
Operating									7,800,574	7,748,910	7,324,691
Renting									1,148,593	1,004,666	639,235
Repairs and Maintenance									13,115,843	13,366,079	11,270,589
Taxes and Insurance									9,999,058	9,954,214	9,149,837
Total Expenses									55,161,297	55,666,521	50,205,579
Income Before Other Income (Expense)	6,610,639	6,470,676	6,538,164	5,751,774	4,725,871	4,899,261	4,738,350	4,451,365	25,371,253	18,814,847	18,088,147
Other Income (Loss)
Other (Expense)											(874,517)
Interest income									4,465,557	4,486,603	1,055,338
Total Other Income (Expense)	(2,394,772)	(2,561,278)	(2,465,438)	(2,288,178)	(2,426,126)	(2,724,035)	(2,513,746)	(2,696,990)	(9,709,666)	(10,360,897)	(14,364,873)
Net Income	$ 4,215,867	$ 3,909,398	$ 4,072,726	$ 3,463,596	$ 2,299,745	$ 2,175,226	$ 2,224,604	$ 1,754,375	15,661,587	8,453,950	3,723,274
Investment Properties
Revenues
Rental Income									26,804,487	25,556,572	23,550,304
Laundry and Sundry Income									255,061	164,467	231,093
Total Revenues									27,059,548	25,721,039	23,781,397
Expenses
Administrative									392,178	432,128	364,839
Depreciation and Amortization									5,978,355	5,922,564	6,028,686
Management Fees									751,024	699,067	662,035
Operating									2,406,240	2,213,893	2,004,434
Renting									327,448	282,165	210,499
Repairs and Maintenance									3,273,826	2,951,720	2,801,051
Taxes and Insurance									3,845,817	3,858,813	3,700,391
Total Expenses									16,974,888	16,360,350	15,771,935
Income Before Other Income (Expense)									10,084,660	9,360,689	8,009,462
Other Income (Loss)
Interest Expense									(7,448,325)	(7,149,981)	(6,842,685)
Other (Expense)									75,665	(213,240)
Interest income									238,722	30,788
Interest Income											(81,360)
Total Other Income (Expense)									(7,133,938)	(7,332,433)	(6,924,045)
Net Income									2,950,722	2,028,256	1,085,417
Proportionate share of net income (loss)									1,282,102	876,233	499,783
Investment Properties | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)									509,077	324,677	328,089
Investment Properties | NERA 40%
Other Income (Loss)
Proportionate share of net income (loss)									773,025	551,556	171,695
Hamilton Essex 81
Revenues
Rental Income									1,965,371	1,831,196	1,640,480
Laundry and Sundry Income									11,914	3,691	17,652
Total Revenues									1,977,285	1,834,887	1,658,132
Expenses
Administrative									21,123	20,455	19,543
Depreciation and Amortization									466,653	470,253	478,538
Management Fees									78,958	72,806	75,216
Operating									425,064	284,173	229,528
Renting									36,554	61,559	25,926
Repairs and Maintenance									244,133	178,816	185,275
Taxes and Insurance									283,858	281,346	266,024
Total Expenses									1,556,343	1,369,408	1,280,050
Income Before Other Income (Expense)									420,942	465,479	378,082
Other Income (Loss)
Interest Expense									(782,293)	(752,933)	(412,329)
Interest income									44,314	6,830
Total Other Income (Expense)									(737,979)	(746,103)	(412,329)
Net Income									(317,037)	(280,624)	(34,247)
Hamilton Essex 81 | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)									(158,519)	(140,312)	(17,124)
Hamilton Essex Development
Revenues
Rental Income									241,884	241,884	296,313
Total Revenues									241,884	241,884	296,313
Expenses
Administrative									5,002	3,020	6,548
Depreciation and Amortization									11,709	11,709	11,709
Management Fees									9,157	10,489	11,468
Repairs and Maintenance											3,180
Taxes and Insurance									67,749	61,557	63,139
Total Expenses									93,617	86,775	96,044
Income Before Other Income (Expense)									148,267	155,109	200,269
Other Income (Loss)
Interest income									1,909	375
Total Other Income (Expense)									1,909	375
Net Income									150,176	155,484	200,269
Hamilton Essex Development | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)									75,088	77,741	100,134
345 Franklin
Revenues
Rental Income									1,797,556	1,709,429	1,516,329
Laundry and Sundry Income										115	245
Total Revenues									1,797,556	1,709,544	1,516,574
Expenses
Administrative									32,052	30,349	33,656
Depreciation and Amortization									346,729	346,856	346,793
Management Fees									70,511	67,116	59,715
Operating									79,274	89,139	76,108
Renting									28,812	52,686	32,332
Repairs and Maintenance									144,504	150,845	184,057
Taxes and Insurance									195,475	193,215	182,098
Total Expenses									897,357	930,206	914,759
Income Before Other Income (Expense)									900,199	779,338	601,815
Other Income (Loss)
Interest Expense									(335,778)	(344,847)	(351,175)
Interest income									8,733	1,593
Total Other Income (Expense)									(327,045)	(343,254)	(351,175)
Net Income									573,154	436,084	250,640
345 Franklin | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)									286,576	218,041	125,320
Hamilton 1025
Revenues
Rental Income									103,239	98,734	102,802
Total Revenues									103,239	98,734	102,802
Expenses
Administrative									3,438	3,300	2,793
Depreciation and Amortization									3,264	3,264	3,264
Management Fees									4,199	4,011	4,160
Operating									174	807	1,344
Renting									116	13
Repairs and Maintenance									6,478
Taxes and Insurance									19,178	17,165	18,513
Total Expenses									36,847	28,560	30,074
Income Before Other Income (Expense)									66,392	70,174	72,728
Other Income (Loss)
Interest income									793	161
Total Other Income (Expense)									793	161
Net Income									67,185	70,336	72,729
Hamilton 1025 | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)									33,593	35,167	36,365
Hamilton Minuteman Apts
Revenues
Rental Income									1,425,224	1,334,250	1,212,854
Total Revenues									1,425,224	1,334,250	1,212,854
Expenses
Administrative									17,615	20,021	14,579
Depreciation and Amortization									335,460	339,605	338,919
Management Fees									56,955	53,347	48,548
Operating									114,546	105,254	129,232
Renting									17,260	5,801	9,873
Repairs and Maintenance									160,089	94,262	106,689
Taxes and Insurance									158,746	147,197	153,117
Total Expenses									860,671	765,487	800,957
Income Before Other Income (Expense)									564,553	568,763	411,897
Other Income (Loss)
Interest Expense									(237,599)	(237,749)	(237,851)
Interest income									9,078	2,592
Total Other Income (Expense)									(228,521)	(235,157)	(237,851)
Net Income									336,032	333,606	174,046
Hamilton Minuteman Apts | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)									168,016	166,802	87,023
Hamilton on Main Apts
Revenues
Rental Income									4,146,753	3,879,734	3,644,802
Laundry and Sundry Income									50,589	23,163	77,589
Total Revenues									4,197,342	3,902,897	3,722,391
Expenses
Administrative									115,474	92,589	68,948
Depreciation and Amortization									1,094,296	1,065,353	1,081,096
Management Fees									172,193	152,943	146,115
Operating									469,818	455,086	400,489
Renting									121,291	54,856	51,327
Repairs and Maintenance									733,621	625,687	626,909
Taxes and Insurance									453,032	527,665	513,699
Total Expenses									3,159,725	2,974,179	2,888,583
Income Before Other Income (Expense)									1,037,617	928,718	833,808
Other Income (Loss)
Interest Expense									(968,928)	(788,376)	(759,704)
Other (Expense)									75,665	(213,240)
Interest income									64,292	7,376
Interest Income											(81,360)
Total Other Income (Expense)									(828,971)	(994,240)	(841,064)
Net Income									208,646	(65,522)	(7,256)
Hamilton on Main Apts | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)									104,323	(32,762)	(3,629)
Dexter Park
Revenues
Rental Income									17,124,460	16,461,345	15,136,724
Laundry and Sundry Income									192,558	137,498	135,607
Total Revenues									17,317,018	16,598,843	15,272,331
Expenses
Administrative									197,474	262,394	218,772
Depreciation and Amortization									3,720,244	3,685,524	3,768,367
Management Fees									359,051	338,355	316,813
Operating									1,317,364	1,279,434	1,167,733
Renting									123,415	107,250	91,041
Repairs and Maintenance									1,985,001	1,902,110	1,694,941
Taxes and Insurance									2,667,779	2,630,668	2,503,801
Total Expenses									10,370,328	10,205,735	9,761,468
Income Before Other Income (Expense)									6,946,690	6,393,108	5,510,863
Other Income (Loss)
Interest Expense									(5,123,727)	(5,026,076)	(5,081,626)
Interest income									109,603	11,861
Total Other Income (Expense)									(5,014,124)	(5,014,215)	(5,081,626)
Net Income									1,932,566	1,378,893	429,237
Dexter Park | NERA 40%
Other Income (Loss)
Proportionate share of net income (loss)									$ 773,025	$ 551,556	$ 171,695
NERA 50%
Other Income (Loss)
Ownership interest (as a percent)	50.00%				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%	40.00%