INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	May 31, 2018
Revenues
Rental income									$ 67,560,662	$ 62,175,592	$ 61,661,551
Laundry and sundry income									733,064	462,862	441,159
Total Revenues	$ 17,703,006	$ 17,078,383	$ 16,931,928	$ 16,580,409	$ 16,155,649	$ 15,946,672	$ 15,447,344	$ 15,088,789	68,293,726	62,638,454	62,102,710
Expenses
Administrative									2,731,284	2,476,593	2,209,780
Depreciation and amortization									16,373,429	16,671,076	18,410,811
Management fee									2,716,514	2,523,943	2,452,814
Operating									7,324,692	6,471,250	5,766,160
Renting									639,235	1,241,298	864,542
Repairs and maintenance									11,270,589	10,069,325	8,781,789
Taxes and insurance									9,149,837	8,942,469	8,647,781
Total Expenses									50,205,580	48,395,954	47,133,677
Income Before Other Income (Expense)	5,139,477	4,560,797	4,610,922	3,776,950	3,108,893	3,551,236	4,187,232	3,395,139	18,088,146	14,242,500	14,969,033
Other Income (Expense)
Interest expense									(15,045,477)	(13,629,463)	(13,705,415)
Interest income									1,055,338	87	195
Other (expenses)									(874,517)	(2,745,979)
Total Other Income (Expense)	(2,996,831)	(3,565,573)	(4,367,937)	(3,434,532)	(6,009,382)	(3,626,621)	(3,617,341)	(3,689,319)	(14,364,873)	(16,942,663)	(13,544,505)
Net (Loss) Income	2,142,646	$ 995,224	$ 242,985	$ 342,418	(2,900,489)	$ (75,385)	$ 569,891	$ (294,180)	3,723,273	(2,700,163)	1,424,528
Mortgage Notes Payable	410,966,199				370,481,390				410,966,199	370,481,390
Investment Properties
Revenues
Rental income									23,550,304	20,837,208	21,776,809
Laundry and sundry income									231,093	154,646	129,713
Total Revenues									23,781,397	20,991,854	21,906,522
Expenses
Administrative									364,839	403,509	327,697
Depreciation and amortization									6,028,686	6,016,613	5,956,370
Management fee									662,035	575,162	580,029
Operating									2,004,434	1,781,069	1,633,551
Renting									210,499	711,979	466,296
Repairs and maintenance									2,801,051	2,849,104	2,441,880
Taxes and insurance									3,700,391	3,539,050	3,383,874
Total Expenses									15,771,935	15,876,486	14,789,697
Income Before Other Income (Expense)									8,009,462	5,115,368	7,116,825
Other Income (Expense)
Interest expense									(6,842,685)	(6,658,595)	(6,742,727)
Interest income										1,222
Other (expenses)									(81,360)
Total Other Income (Expense)									(6,924,045)	(6,657,373)	(6,742,727)
Net (Loss) Income									1,085,417	(1,542,005)	374,098
Proportionate share of net income (loss)									499,783	(567,308)	160,715
Mortgage Notes Payable	166,090,968				166,203,707				166,090,968	166,203,707	166,308,029
Investment Properties | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)									328,088	247,478	55,381
Investment Properties | NERA 40%
Other Income (Expense)
Proportionate share of net income (loss)									171,695	(814,786)	105,335
Hamilton Essex 81
Revenues
Rental income									1,640,480	1,609,397	874,212
Laundry and sundry income									17,652	12,761	12,495
Total Revenues									1,658,132	1,622,158	886,707
Expenses
Administrative									19,543	76,338	20,296
Depreciation and amortization									478,538	479,512	488,315
Management fee									75,216	52,617	42,958
Operating									229,528	168,160	79,195
Renting									25,926	101,328	22,782
Repairs and maintenance									185,275	159,593	128,728
Taxes and insurance									266,024	261,145	256,162
Total Expenses									1,280,050	1,298,693	1,038,436
Income Before Other Income (Expense)									378,082	323,465	(151,729)
Other Income (Expense)
Interest expense									(412,329)	(246,339)	(299,161)
Total Other Income (Expense)									(412,329)	(246,339)	(299,161)
Net (Loss) Income									(34,247)	77,126	(450,890)
Mortgage Notes Payable	9,962,080				9,948,291				9,962,080	9,948,291	9,934,502
Hamilton Essex 81 | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)									(17,124)	38,563	(225,445)
Hamilton Essex Development
Revenues
Rental income									296,313	391,878	19,848
Total Revenues									296,313	391,878	19,848
Expenses
Administrative									6,548	2,875	4,026
Depreciation and amortization									11,709	20,298	20,297
Management fee									11,468	12,922	2,203
Repairs and maintenance									3,180	520	3,180
Taxes and insurance									63,139	60,764	61,612
Total Expenses									96,044	97,379	91,318
Income Before Other Income (Expense)									200,269	294,499	(71,470)
Other Income (Expense)
Net (Loss) Income									200,269	294,499	(71,470)
Hamilton Essex Development | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)									100,134	147,249	(35,735)
345 Franklin
Revenues
Rental income									1,516,329	1,360,472	1,516,648
Laundry and sundry income									245	1,494	604
Total Revenues									1,516,574	1,361,966	1,517,252
Expenses
Administrative									33,656	31,566	36,431
Depreciation and amortization									346,793	343,834	339,513
Management fee									59,715	54,178	57,986
Operating									76,108	58,667	67,885
Renting									32,332	54,672	52,571
Repairs and maintenance									184,057	129,548	138,991
Taxes and insurance									182,098	175,183	167,456
Total Expenses									914,759	847,648	860,833
Income Before Other Income (Expense)									601,815	514,318	656,419
Other Income (Expense)
Interest expense									(351,175)	(359,036)	(369,742)
Total Other Income (Expense)									(351,175)	(359,036)	(369,742)
Net (Loss) Income									250,640	155,282	286,677
Mortgage Notes Payable	8,676,945				8,892,331				8,676,945	8,892,331	9,099,301
345 Franklin | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)									125,319	77,641	143,339
Hamilton 1025
Revenues
Rental income									102,802	98,135	96,223
Total Revenues									102,802	98,135	96,223
Expenses
Administrative									2,793	2,812	12,995
Depreciation and amortization									3,264	3,264	3,264
Management fee									4,160	3,801	3,529
Operating									1,344	334	276
Taxes and insurance									18,513	19,467	17,416
Total Expenses									30,074	29,678	37,480
Income Before Other Income (Expense)									72,728	68,457	58,743
Other Income (Expense)
Net (Loss) Income									72,728	68,458	58,744
Hamilton 1025 | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)									36,364	34,229	29,372
Hamilton Minuteman
Revenues
Rental income									1,212,854	1,139,865	1,165,027
Laundry and sundry income										3,913	2,951
Total Revenues									1,212,854	1,143,778	1,167,978
Expenses
Administrative									14,579	16,450	13,603
Depreciation and amortization									338,919	338,362	348,994
Management fee									48,548	45,541	46,275
Operating									129,232	98,115	102,397
Renting									9,873	4,419	7,994
Repairs and maintenance									106,689	120,626	95,185
Taxes and insurance									153,117	144,533	144,664
Total Expenses									800,957	768,046	759,112
Income Before Other Income (Expense)									411,897	375,732	408,866
Other Income (Expense)
Interest expense									(237,851)	(237,845)	(238,233)
Total Other Income (Expense)									(237,851)	(237,845)	(238,233)
Net (Loss) Income									174,046	137,887	170,632
Mortgage Notes Payable	5,928,736				5,920,552				5,928,736	5,920,552	5,912,368
Hamilton Minuteman | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)									87,023	68,944	85,316
Hamilton on Main Apts
Revenues
Rental income									3,644,802	3,370,478	3,497,639
Laundry and sundry income									77,589	38,697	35,302
Total Revenues									3,722,391	3,409,175	3,532,941
Expenses
Administrative									68,948	68,008	59,014
Depreciation and amortization									1,081,096	1,089,225	1,059,165
Management fee									146,115	131,221	132,513
Operating									400,489	432,061	362,318
Renting									51,327	90,842	73,837
Repairs and maintenance									626,909	624,475	513,642
Taxes and insurance									513,699	451,937	449,692
Total Expenses									2,888,583	2,887,769	2,650,181
Income Before Other Income (Expense)									833,808	521,406	882,760
Other Income (Expense)
Interest expense									(759,704)	(759,698)	(765,692)
Other (expenses)									(81,360)
Total Other Income (Expense)									(841,064)	(759,698)	(765,692)
Net (Loss) Income									(7,256)	(238,292)	117,068
Mortgage Notes Payable	16,873,248				16,857,197				16,873,248	16,857,197	16,841,145
Hamilton on Main Apts | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)									(3,628)	(119,147)	58,534
Dexter Park
Revenues
Rental income									15,136,724	12,866,983	14,607,212
Laundry and sundry income									135,607	97,781	78,361
Total Revenues									15,272,331	12,964,764	14,685,573
Expenses
Administrative									218,772	205,460	181,332
Depreciation and amortization									3,768,367	3,742,118	3,696,822
Management fee									316,813	274,882	294,565
Operating									1,167,733	1,023,732	1,021,480
Renting									91,041	460,718	309,112
Repairs and maintenance									1,694,941	1,814,342	1,562,154
Taxes and insurance									2,503,801	2,426,021	2,286,872
Total Expenses									9,761,468	9,947,273	9,352,337
Income Before Other Income (Expense)									5,510,863	3,017,491	5,333,236
Other Income (Expense)
Interest expense									(5,081,626)	(5,055,677)	(5,069,899)
Interest income										1,222
Total Other Income (Expense)									(5,081,626)	(5,054,455)	(5,069,899)
Net (Loss) Income									429,237	(2,036,964)	263,337
Mortgage Notes Payable	$ 124,649,959				$ 124,585,336				124,649,959	124,585,336	124,520,713	$ 82,000,000
Dexter Park | NERA 40%
Other Income (Expense)
Proportionate share of net income (loss)									$ 171,695	$ (814,786)	$ 105,335