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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($) | 3 Months Ended | 6 Months Ended
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Jun. 30, 2022 | Jun. 30, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Revenues |  |  |  |
Rental income | $ 16,825,737 | $ 15,333,216 | $ 33,285,743 | $ 30,313,332
Laundry and sundry income | 106,191 | 114,128 | 226,593 | 222,801
Total Revenues | 16,931,928 | 15,447,344 | 33,512,336 | 30,536,133
Expenses |  |  |  |
Administrative | 623,877 | 559,818 | 1,331,663 | 1,212,004
Depreciation and amortization | 4,076,597 | 3,943,664 | 8,097,365 | 7,849,582
Management fee | 672,370 | 616,348 | 1,345,454 | 1,221,739
Operating | 1,522,250 | 1,407,646 | 4,198,458 | 3,453,614
Renting | 150,943 | 221,275 | 320,332 | 483,241
Repairs and maintenance | 2,974,734 | 2,334,403 | 5,254,385 | 4,304,490
Taxes and insurance | 2,300,235 | 2,176,958 | 4,576,808 | 4,429,092
Total Expenses | 12,321,006 | 11,260,112 | 25,124,465 | 22,953,762
Income Before Other Income (Expense) | 4,610,922 | 4,187,232 | 8,387,871 | 7,582,371
Other Income (Expense) |  |  |  |
Interest expense | (3,623,714) | (3,378,942) | (7,078,349) | (6,743,111)
Interest income | 32 | 25 | 61 | 46
Total Other Income (Expense) | (4,367,937) | (3,617,341) | (7,802,470) | (7,306,660)
Net (Loss) Income | 242,985 | 569,891 | 585,401 | 275,711
Investment Properties |  |  |  |
Revenues |  |  |  |
Rental income | 5,671,573 | 4,913,233 | 11,225,850 | 9,672,132
Laundry and sundry income | 30,338 | 37,697 | 73,038 | 77,027
Total Revenues | 5,701,911 | 4,950,930 | 11,298,888 | 9,749,159
Expenses |  |  |  |
Administrative | 82,741 | 117,823 | 182,828 | 209,404
Depreciation and amortization | 1,500,155 | 1,499,047 | 2,991,057 | 2,987,724
Management fee | 161,799 | 129,279 | 323,500 | 256,530
Operating | 418,038 | 364,000 | 1,005,880 | 864,666
Renting | 44,098 | 170,459 | 136,539 | 333,647
Repairs and maintenance | 711,039 | 709,254 | 1,305,420 | 1,379,824
Taxes and insurance | 910,005 | 875,923 | 1,818,850 | 1,747,711
Total Expenses | 3,827,875 | 3,865,785 | 7,764,074 | 7,779,506
Income Before Other Income (Expense) | 1,874,036 | 1,085,145 | 3,534,814 | 1,969,653
Other Income (Expense) |  |  |  |
Interest expense | (1,687,357) | (1,664,696) | (3,347,285) | (3,327,363)
Other Income |  | 1,222 |  | 1,222
Total Other Income (Expense) | (1,687,357) | (1,663,474) | (3,347,285) | (3,326,141)
Net (Loss) Income | 186,679 | (578,329) | 187,529 | (1,356,488)
Proportionate share of net income (loss) | 90,283 | (238,424) | 110,351 | (563,595)
Investment Properties | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 78,041 | (35,465) | 176,685 | (105,000)
Investment Properties | NERA 40% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 12,242 | (202,959) | (66,334) | (458,595)
Hamilton Essex 81 |  |  |  |
Revenues |  |  |  |
Rental income | 318,903 | 211,855 | 760,751 | 442,072
Laundry and sundry income |  | 3,195 | 5,394 | 6,208
Total Revenues | 318,903 | 215,050 | 766,145 | 448,280
Expenses |  |  |  |
Administrative | 4,099 | 39,313 | 8,873 | 53,869
Depreciation and amortization | 119,593 | 119,580 | 238,779 | 238,522
Management fee | 18,611 | 6,586 | 37,096 | 11,846
Operating | 66,248 | 39,736 | 119,220 | 69,168
Renting | 8,437 | 22,093 | 14,065 | 54,877
Repairs and maintenance | 34,939 | 29,585 | 69,868 | 82,132
Taxes and insurance | 66,641 | 65,636 | 133,102 | 131,175
Total Expenses | 318,568 | 322,529 | 621,003 | 641,589
Income Before Other Income (Expense) | 335 | (107,479) | 145,142 | (193,309)
Other Income (Expense) |  |  |  |
Interest expense | (79,158) | (61,402) | (141,388) | (122,715)
Total Other Income (Expense) | (79,158) | (61,402) | (141,388) | (122,715)
Net (Loss) Income | (78,823) | (168,881) | 3,754 | (316,024)
Hamilton Essex 81 | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | (39,411) | (84,441) | 1,877 | (158,012)
Hamilton Essex Development |  |  |  |
Revenues |  |  |  |
Rental income | 89,269 | 57,240 | 175,371 | 57,240
Total Revenues | 89,269 | 57,240 | 175,371 | 57,240
Expenses |  |  |  |
Administrative | 798 | 500 | 1,548 | 1,353
Depreciation and amortization | 2,928 | 5,075 | 5,855 | 10,149
Management fee | 4,208 |  | 7,526 |
Repairs and maintenance | 3,180 | 520 | 3,180 | 520
Taxes and insurance | 15,518 | 14,925 | 31,508 | 29,811
Total Expenses | 26,632 | 21,020 | 49,617 | 41,833
Income Before Other Income (Expense) | 62,637 | 36,220 | 125,754 | 15,407
Other Income (Expense) |  |  |  |
Net (Loss) Income | 62,637 | 36,220 | 125,754 | 15,407
Hamilton Essex Development | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 31,319 | 18,110 | 62,878 | 7,704
345 Franklin |  |  |  |
Revenues |  |  |  |
Rental income | 368,001 | 342,698 | 714,821 | 675,791
Laundry and sundry income | 125 |  | 125 | 112
Total Revenues | 368,126 | 342,698 | 714,946 | 675,903
Expenses |  |  |  |
Administrative | 8,468 | 10,719 | 19,992 | 15,522
Depreciation and amortization | 86,777 | 85,520 | 173,191 | 170,865
Management fee | 14,306 | 13,933 | 28,109 | 26,345
Operating | 14,822 | 12,556 | 36,715 | 26,077
Renting | 7,046 | 19,606 | 17,206 | 33,934
Repairs and maintenance | 29,226 | 41,218 | 83,758 | 64,496
Taxes and insurance | 43,744 | 43,709 | 87,467 | 87,380
Total Expenses | 204,389 | 227,261 | 446,438 | 424,619
Income Before Other Income (Expense) | 163,737 | 115,437 | 268,508 | 251,284
Other Income (Expense) |  |  |  |
Interest expense | (87,963) | (90,102) | (176,400) | (180,745)
Total Other Income (Expense) | (87,963) | (90,102) | (176,400) | (180,745)
Net (Loss) Income | 75,774 | 25,335 | 92,108 | 70,539
345 Franklin | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 37,888 | 12,668 | 46,054 | 35,270
Hamilton 1025 |  |  |  |
Revenues |  |  |  |
Rental income | 25,752 | 24,369 | 50,122 | 48,739
Total Revenues | 25,752 | 24,369 | 50,122 | 48,739
Expenses |  |  |  |
Administrative | 699 | 775 | 1,349 | 1,490
Depreciation and amortization | 816 | 816 | 1,632 | 1,632
Management fee | 1,095 | 942 | 2,053 | 1,571
Operating |  | 85 | 1,165 | 176
Operating | (8) |  |  |
Taxes and insurance | 4,712 | 5,104 | 9,120 | 9,901
Total Expenses | 7,314 | 7,722 | 15,319 | 14,770
Income Before Other Income (Expense) | 18,438 | 16,647 | 34,803 | 33,969
Other Income (Expense) |  |  |  |
Net (Loss) Income | 18,438 | 16,647 | 34,803 | 33,969
Hamilton 1025 | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 9,219 | 8,324 | 17,402 | 16,985
Hamilton Minuteman |  |  |  |
Revenues |  |  |  |
Rental income | 304,499 | 286,684 | 598,537 | 571,208
Laundry and sundry income | 1,076 | 2,029 | 776 | 3,305
Total Revenues | 305,575 | 288,713 | 599,313 | 574,513
Expenses |  |  |  |
Administrative | 3,404 | 4,077 | 5,755 | 7,660
Depreciation and amortization | 84,443 | 84,328 | 168,403 | 168,353
Management fee | 12,136 | 11,579 | 23,529 | 22,875
Operating | 19,617 | 19,900 | 75,203 | 54,496
Renting | 3,212 | 360 | 7,014 | 720
Repairs and maintenance | 28,777 | 36,977 | 44,990 | 56,381
Taxes and insurance | 37,950 | 35,237 | 75,678 | 70,212
Total Expenses | 189,539 | 192,458 | 400,572 | 380,697
Income Before Other Income (Expense) | 116,036 | 96,255 | 198,741 | 193,816
Other Income (Expense) |  |  |  |
Interest expense | (59,390) | (59,252) | (118,129) | (117,877)
Total Other Income (Expense) | (59,390) | (59,252) | (118,129) | (117,877)
Net (Loss) Income | 56,646 | 37,003 | 80,612 | 75,939
Hamilton Minuteman | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 28,324 | 18,502 | 40,306 | 37,969
Hamilton on Main Apts |  |  |  |
Revenues |  |  |  |
Rental income | 915,736 | 847,462 | 1,806,118 | 1,664,274
Laundry and sundry income | 6,599 | 9,264 | 17,150 | 18,041
Total Revenues | 922,335 | 856,726 | 1,823,268 | 1,682,315
Expenses |  |  |  |
Administrative | 11,059 | 14,561 | 35,579 | 34,780
Depreciation and amortization | 268,850 | 270,646 | 537,314 | 540,561
Management fee | 35,145 | 32,055 | 72,517 | 64,431
Operating | 83,136 | 88,756 | 191,826 | 213,689
Renting | 10,591 | 20,798 | 25,580 | 51,559
Repairs and maintenance | 172,036 | 146,578 | 305,954 | 269,025
Taxes and insurance | 130,695 | 111,171 | 261,364 | 221,305
Total Expenses | 711,512 | 684,565 | 1,430,134 | 1,395,350
Income Before Other Income (Expense) | 210,823 | 172,161 | 393,134 | 286,965
Other Income (Expense) |  |  |  |
Interest expense | (189,421) | (189,415) | (376,798) | (376,793)
Total Other Income (Expense) | (189,421) | (189,415) | (376,798) | (376,793)
Net (Loss) Income | 21,402 | (17,254) | 16,336 | (89,828)
Hamilton on Main Apts | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 10,702 | (8,627) | 8,168 | (44,914)
Dexter Park |  |  |  |
Revenues |  |  |  |
Rental income | 3,649,413 | 3,142,925 | 7,120,130 | 6,212,808
Laundry and sundry income | 22,538 | 23,209 | 49,593 | 49,361
Total Revenues | 3,671,951 | 3,166,134 | 7,169,723 | 6,262,169
Expenses |  |  |  |
Administrative | 54,214 | 47,878 | 109,732 | 94,730
Depreciation and amortization | 936,748 | 933,082 | 1,865,883 | 1,857,642
Management fee | 76,298 | 64,184 | 152,670 | 129,462
Operating | 234,223 | 202,967 | 581,751 | 501,060
Renting | 14,812 | 107,602 | 72,674 | 192,557
Repairs and maintenance | 442,881 | 454,376 | 797,670 | 907,270
Taxes and insurance | 610,745 | 600,141 | 1,220,611 | 1,197,927
Total Expenses | 2,369,921 | 2,410,230 | 4,800,991 | 4,880,648
Income Before Other Income (Expense) | 1,302,030 | 755,904 | 2,368,732 | 1,381,521
Other Income (Expense) |  |  |  |
Interest expense | (1,271,425) | (1,264,525) | (2,534,570) | (2,529,233)
Other Income |  | 1,222 |  | 1,222
Total Other Income (Expense) | (1,271,425) | (1,263,303) | (2,534,570) | (2,528,011)
Net (Loss) Income | 30,605 | (507,399) | (165,838) | (1,146,490)
Dexter Park | NERA 40% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | $ 12,242 | $ (202,959) | $ (66,334) | $ (458,595)

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