INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	May 31, 2018
Revenues
Rental Income	$ 17,964,963	$ 16,825,737	$ 35,533,690	$ 33,285,743
Laundry and Sundry Income	136,073	106,191	259,032	226,593
Total Revenues	18,101,036	16,931,928	35,792,722	33,512,336
Expenses
Administrative	867,721	623,877	1,604,822	1,331,663
Depreciation and Amortization	3,961,432	4,076,597	7,807,693	8,097,365
Management Fees	665,073	672,370	1,362,837	1,345,454
Operating	1,721,233	1,522,250	4,255,029	4,198,458
Renting	244,434	150,943	436,019	320,332
Repairs and Maintenance	3,479,071	2,974,734	6,241,845	5,254,385
Taxes and Insurance	2,423,722	2,300,235	4,894,401	4,576,808
Total Expenses	13,362,686	12,321,006	26,602,646	25,124,465
Income Before Other Income (Expense)	4,738,350	4,610,922	9,190,076	8,387,871
Other Income (Loss)
Interest expense	(3,925,863)	(3,623,714)	(7,825,103)	(7,078,349)
Other (expenses)	92,810	(834,538)	92,823	(834,533)
Total Other Income (Expense)	(2,513,746)	(4,367,937)	(5,210,735)	(7,802,470)
Net Income	2,224,604	242,985	3,979,341	585,401
Mortgage Notes Payable	409,834,512		409,834,512		$ 410,966,199
Investment Properties
Revenues
Rental Income	6,226,054	5,671,573	12,395,623	11,225,850
Laundry and Sundry Income	(2,659)	30,338	51,473	73,038
Total Revenues	6,223,395	5,701,911	12,447,096	11,298,888
Expenses
Administrative	114,053	82,741	188,518	182,828
Depreciation and Amortization	1,473,063	1,500,155	2,934,073	2,991,057
Management Fees	162,886	161,799	333,900	323,500
Operating	501,744	418,038	1,153,996	1,005,880
Renting	77,563	44,098	142,932	136,539
Repairs and Maintenance	863,313	711,039	1,434,354	1,305,420
Taxes and Insurance	950,102	910,005	1,879,474	1,818,850
Total Expenses	4,142,724	3,827,875	8,067,247	7,764,074
Income Before Other Income (Expense)	2,080,671	1,874,036	4,379,849	3,534,814
Other Income (Loss)
Interest expense	(1,804,559)	(1,687,357)	(3,573,231)	(3,347,285)
Total Other Income (Expense)	(1,804,559)	(1,687,357)	(3,573,231)	(3,347,285)
Net Income	276,112	186,679	806,618	187,529
Proportionate share of net income (loss)	119,664	90,283	347,368	110,351
Mortgage Notes Payable	166,031,339	166,148,408	166,031,339	166,148,408
Investment Properties | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	46,087	78,041	123,593	176,685
Investment Properties | NERA 40%
Other Income (Loss)
Proportionate share of net income (loss)	73,577	12,242	223,774	(66,334)
Hamilton Essex 81
Revenues
Rental Income	411,189	318,903	850,177	760,751
Laundry and Sundry Income	337		3,040	5,394
Total Revenues	411,526	318,903	853,217	766,145
Expenses
Administrative	5,791	4,099	10,531	8,873
Depreciation and Amortization	117,146	119,593	234,133	238,779
Management Fees	14,652	18,611	33,744	37,096
Operating	67,170	66,248	150,518	119,220
Renting	27,770	8,437	30,945	14,065
Repairs and Maintenance	41,487	34,939	95,955	69,868
Taxes and Insurance	70,311	66,641	141,245	133,102
Total Expenses	344,327	318,568	697,071	621,003
Income Before Other Income (Expense)	67,199	335	156,146	145,142
Other Income (Loss)
Interest expense	(186,539)	(79,158)	(358,852)	(141,388)
Total Other Income (Expense)	(186,539)	(79,158)	(358,852)	(141,388)
Net Income	(119,340)	(78,823)	(202,706)	3,754
Mortgage Notes Payable	9,968,975	9,955,186	9,968,975	9,955,186
Hamilton Essex 81 | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	(59,670)	(39,411)	(101,353)	1,877
Hamilton Essex Development
Revenues
Rental Income	60,471	89,269	120,942	175,371
Total Revenues	60,471	89,269	120,942	175,371
Expenses
Administrative	750	798	1,500	1,548
Depreciation and Amortization	2,928	2,928	5,855	5,855
Management Fees	1,589	4,208	4,768	7,526
Repairs and Maintenance		3,180		3,180
Taxes and Insurance	15,224	15,518	30,681	31,508
Total Expenses	20,491	26,632	42,804	49,617
Income Before Other Income (Expense)	39,980	62,637	78,138	125,754
Other Income (Loss)
Net Income	39,980	62,637	78,138	125,754
Hamilton Essex Development | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	19,990	31,319	39,070	62,878
345 Franklin
Revenues
Rental Income	422,123	368,001	834,013	714,821
Laundry and Sundry Income		125		125
Total Revenues	422,123	368,126	834,013	714,946
Expenses
Administrative	9,574	8,468	13,043	19,992
Depreciation and Amortization	86,560	86,777	172,866	173,191
Management Fees	16,495	14,306	32,632	28,109
Operating	31,655	14,822	57,035	36,715
Renting	9,943	7,046	18,200	17,206
Repairs and Maintenance	38,327	29,226	62,538	83,758
Taxes and Insurance	47,111	43,744	94,286	87,467
Total Expenses	239,665	204,389	450,600	446,438
Income Before Other Income (Expense)	182,458	163,737	383,413	268,508
Other Income (Loss)
Interest expense	(86,515)	(87,963)	(173,474)	(176,400)
Total Other Income (Expense)	(86,515)	(87,963)	(173,474)	(176,400)
Net Income	95,943	75,774	209,939	92,108
Mortgage Notes Payable	8,565,993	8,785,710	8,565,993	8,785,710
345 Franklin | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	47,972	37,888	104,970	46,054
Hamilton 1025
Revenues
Rental Income	24,867	25,752	49,735	50,122
Total Revenues	24,867	25,752	49,735	50,122
Expenses
Administrative	951	699	1,871	1,349
Depreciation and Amortization	816	816	1,632	1,632
Management Fees	994	1,095	1,989	2,053
Operating	75		142	1,165
Operating		(8)
Taxes and Insurance	4,203	4,712	8,704	9,120
Total Expenses	7,039	7,314	14,338	15,319
Income Before Other Income (Expense)	17,828	18,438	35,397	34,803
Other Income (Loss)
Net Income	17,828	18,438	35,397	34,803
Hamilton 1025 | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	8,914	9,219	17,699	17,402
Hamilton Minuteman
Revenues
Rental Income	325,228	304,499	638,730	598,537
Laundry and Sundry Income		1,076		776
Total Revenues	325,228	305,575	638,730	599,313
Expenses
Administrative	5,607	3,404	9,482	5,755
Depreciation and Amortization	84,591	84,443	168,308	168,403
Management Fees	12,857	12,136	25,663	23,529
Operating	30,856	19,617	68,372	75,203
Renting	205	3,212	1,573	7,014
Repairs and Maintenance	23,299	28,777	44,233	44,990
Taxes and Insurance	35,042	37,950	70,400	75,678
Total Expenses	192,457	189,539	388,031	400,572
Income Before Other Income (Expense)	132,771	116,036	250,699	198,741
Other Income (Loss)
Interest expense	(59,358)	(59,390)	(118,108)	(118,129)
Total Other Income (Expense)	(59,358)	(59,390)	(118,108)	(118,129)
Net Income	73,413	56,646	132,591	80,612
Mortgage Notes Payable	5,932,827	5,924,643	5,932,827	5,924,643
Hamilton Minuteman | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	36,708	28,324	66,296	40,306
Hamilton on Main Apts
Revenues
Rental Income	963,511	915,736	1,886,063	1,806,118
Laundry and Sundry Income	(15,429)	6,599		17,150
Total Revenues	948,082	922,335	1,886,063	1,823,268
Expenses
Administrative	26,269	11,059	38,973	35,579
Depreciation and Amortization	265,496	268,850	530,006	537,314
Management Fees	36,933	35,145	74,129	72,517
Operating	95,322	83,136	224,264	191,826
Renting	12,509	10,591	24,455	25,580
Repairs and Maintenance	183,276	172,036	336,730	305,954
Taxes and Insurance	130,566	130,695	262,939	261,364
Total Expenses	750,371	711,512	1,491,496	1,430,134
Income Before Other Income (Expense)	197,711	210,823	394,567	393,134
Other Income (Loss)
Interest expense	(213,366)	(189,421)	(400,743)	(376,798)
Total Other Income (Expense)	(213,366)	(189,421)	(400,743)	(376,798)
Net Income	(15,655)	21,402	(6,176)	16,336
Mortgage Notes Payable	16,881,274	16,865,222	16,881,274	16,865,222
Hamilton on Main Apts | NERA 50%
Other Income (Loss)
Proportionate share of net income (loss)	(7,827)	10,702	(3,088)	8,168
Dexter Park
Revenues
Rental Income	4,018,665	3,649,413	8,015,963	7,120,130
Laundry and Sundry Income	12,433	22,538	48,433	49,593
Total Revenues	4,031,098	3,671,951	8,064,396	7,169,723
Expenses
Administrative	65,111	54,214	113,118	109,732
Depreciation and Amortization	915,526	936,748	1,821,273	1,865,883
Management Fees	79,366	76,298	160,975	152,670
Operating	276,666	234,223	653,665	581,751
Renting	27,136	14,812	67,759	72,674
Repairs and Maintenance	576,924	442,881	894,898	797,670
Taxes and Insurance	647,645	610,745	1,271,219	1,220,611
Total Expenses	2,588,374	2,369,921	4,982,907	4,800,991
Income Before Other Income (Expense)	1,442,724	1,302,030	3,081,489	2,368,732
Other Income (Loss)
Interest expense	(1,258,781)	(1,271,425)	(2,522,054)	(2,534,570)
Total Other Income (Expense)	(1,258,781)	(1,271,425)	(2,522,054)	(2,534,570)
Net Income	183,943	30,605	559,435	(165,838)
Mortgage Notes Payable	124,682,270	124,617,647	124,682,270	124,617,647		$ 82,000,000
Dexter Park | NERA 40%
Other Income (Loss)
Proportionate share of net income (loss)	$ 73,577	$ 12,242	$ 223,774	$ (66,334)
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%