INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	May 31, 2018
Revenues
Rental income	$ 17,568,727	$ 16,460,006
Laundry and sundry income	122,959	120,403
Total Revenues	17,691,686	16,580,409
Expenses
Administrative	737,101	707,786
Depreciation and amortization	3,846,260	4,020,768
Management fee	697,764	673,084
Operating	2,533,796	2,676,208
Renting	191,585	169,389
Repairs and maintenance	2,763,136	2,279,651
Taxes and insurance	2,470,679	2,276,573
Total Expenses	13,240,321	12,803,459
Income Before Other Income (Expense)	4,451,365	3,776,950
Other Income (Expense)
Interest expense	(3,899,240)	(3,454,635)
Interest income	974,546	34
Total Other Income (Expense)	(2,696,990)	(3,434,532)
Net Income	1,754,375	342,418
Mortgage Notes Payable	410,449,284		$ 410,966,199
Investment Properties
Revenues
Rental income	6,171,830	5,553,845
Laundry and sundry income	51,870	43,132
Total Revenues	6,223,700	5,596,977
Expenses
Administrative	74,467	100,086
Depreciation and amortization	1,461,009	1,490,900
Management fee	171,013	161,700
Operating	652,250	587,842
Renting	65,367	92,439
Repairs and maintenance	571,041	594,380
Taxes and insurance	929,370	908,845
Total Expenses	3,924,517	3,936,192
Income Before Other Income (Expense)	2,299,183	1,660,785
Other Income (Expense)
Interest expense	(1,768,672)	(1,659,930)
Total Other Income (Expense)	(1,768,672)	(1,659,930)
Net Income	530,511	855
Proportionate share of net income (loss)	227,704	20,069
Mortgage Notes Payable	166,061,429	166,176,323
Investment Properties | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)	77,508	98,647
Investment Properties | NERA 40%
Other Income (Expense)
Proportionate share of net income (loss)	150,196	(78,578)
Hamilton Essex 81
Revenues
Rental income	438,988	441,716
Laundry and sundry income	2,703	5,526
Total Revenues	441,691	447,242
Expenses
Administrative	4,740	4,774
Depreciation and amortization	116,987	119,185
Management fee	19,092	18,485
Operating	83,347	52,973
Renting	3,175	5,627
Repairs and maintenance	54,468	34,929
Taxes and insurance	70,934	66,461
Total Expenses	352,743	302,434
Income Before Other Income (Expense)	88,948	144,808
Other Income (Expense)
Interest expense	(172,313)	(62,230)
Total Other Income (Expense)	(172,313)	(62,230)
Net Income	(83,365)	82,578
Mortgage Notes Payable	9,965,527	9,951,738
Hamilton Essex 81 | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)	(41,683)	41,289
Hamilton Essex Development
Revenues
Rental income	60,471	86,103
Total Revenues	60,471	86,103
Expenses
Administrative	750	750
Depreciation and amortization	2,927	2,927
Management fee	3,179	3,317
Taxes and insurance	15,457	15,990
Total Expenses	22,313	22,984
Income Before Other Income (Expense)	38,158	63,119
Other Income (Expense)
Net Income	38,158	63,119
Hamilton Essex Development | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)	19,078	31,559
345 Franklin
Revenues
Rental income	411,890	346,820
Total Revenues	411,890	346,820
Expenses
Administrative	3,469	11,524
Depreciation and amortization	86,306	86,413
Management fee	16,137	13,803
Operating	25,379	21,893
Renting	8,256	10,160
Repairs and maintenance	24,210	54,531
Taxes and insurance	47,175	43,724
Total Expenses	210,932	242,048
Income Before Other Income (Expense)	200,958	104,772
Other Income (Expense)
Interest expense	(86,958)	(88,437)
Total Other Income (Expense)	(86,958)	(88,437)
Net Income	114,000	16,335
Mortgage Notes Payable	8,621,745	8,839,286
345 Franklin | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)	56,999	8,168
Hamilton 1025
Revenues
Rental income	24,867	24,369
Total Revenues	24,867	24,369
Expenses
Administrative	921	651
Depreciation and amortization	816	816
Management fee	994	958
Operating	67	1,172
Taxes and insurance	4,500	4,408
Total Expenses	7,298	8,005
Income Before Other Income (Expense)	17,569	16,364
Other Income (Expense)
Net Income	17,569	16,365
Hamilton 1025 | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)	8,785	8,183
Hamilton Minuteman
Revenues
Rental income	313,502	293,738
Total Revenues	313,502	293,738
Expenses
Administrative	3,875	2,350
Depreciation and amortization	83,717	83,960
Management fee	12,806	11,393
Operating	37,516	55,585
Renting	1,367	3,802
Repairs and maintenance	20,934	16,213
Taxes and insurance	35,358	37,727
Total Expenses	195,573	211,030
Income Before Other Income (Expense)	117,929	82,708
Other Income (Expense)
Interest expense	(58,750)	(58,739)
Total Other Income (Expense)	(58,750)	(58,739)
Net Income	59,179	23,969
Mortgage Notes Payable	5,930,781	5,922,598
Hamilton Minuteman | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)	29,590	11,985
Hamilton on Main Apts
Revenues
Rental income	924,814	890,382
Laundry and sundry income	13,167	10,551
Total Revenues	937,981	900,933
Expenses
Administrative	12,705	24,520
Depreciation and amortization	264,509	268,464
Management fee	37,196	37,373
Operating	128,942	108,690
Renting	11,946	14,989
Repairs and maintenance	153,454	133,918
Taxes and insurance	132,372	130,669
Total Expenses	741,124	718,623
Income Before Other Income (Expense)	196,857	182,310
Other Income (Expense)
Interest expense	(187,378)	(187,378)
Total Other Income (Expense)	(187,378)	(187,378)
Net Income	9,479	(5,068)
Mortgage Notes Payable	16,877,261	16,861,209
Hamilton on Main Apts | NERA 50%
Other Income (Expense)
Proportionate share of net income (loss)	4,740	(2,535)
Dexter Park
Revenues
Rental income	3,997,298	3,470,717
Laundry and sundry income	36,000	27,055
Total Revenues	4,033,298	3,497,772
Expenses
Administrative	48,007	55,517
Depreciation and amortization	905,747	929,135
Management fee	81,609	76,371
Operating	376,999	347,529
Renting	40,623	57,861
Repairs and maintenance	317,975	354,789
Taxes and insurance	623,574	609,866
Total Expenses	2,394,534	2,431,068
Income Before Other Income (Expense)	1,638,764	1,066,704
Other Income (Expense)
Interest expense	(1,263,273)	(1,263,146)
Total Other Income (Expense)	(1,263,273)	(1,263,146)
Net Income	375,491	(196,442)
Mortgage Notes Payable	124,666,115	124,601,492		$ 82,000,000
Dexter Park | NERA 40%
Other Income (Expense)
Proportionate share of net income (loss)	$ 150,196	$ (78,578)