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INVESTMENT IN UNCONSOLIDATED JOINT VENTURES (Income) (Details) - USD ($) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Revenues |  |  |  |
Rental income | $ 16,974,515 | $ 15,832,492 | $ 50,260,258 | $ 46,145,825
Laundry and sundry income | 103,868 | 114,180 | 330,461 | 336,980
Total Revenues | 17,078,383 | 15,946,672 | 50,590,719 | 46,482,805
Expenses |  |  |  |
Administrative | 696,656 | 607,478 | 2,028,319 | 1,819,481
Depreciation and amortization | 4,114,913 | 3,956,979 | 12,212,278 | 11,806,561
Management fee | 683,999 | 646,059 | 2,029,453 | 1,867,798
Operating | 1,410,843 | 1,338,718 | 5,609,302 | 4,792,332
Renting | 181,574 | 458,040 | 501,906 | 941,281
Repairs and maintenance | 3,126,953 | 3,128,369 | 8,381,339 | 7,432,860
Taxes and insurance | 2,302,648 | 2,259,793 | 6,879,455 | 6,688,885
Total Expenses | 12,517,586 | 12,395,436 | 37,642,052 | 35,349,198
Income Before Other Income (Expense) | 4,560,797 | 3,551,236 | 12,948,667 | 11,133,607
Other Income (Expense) |  |  |  |
Interest expense | (3,982,445) | (3,393,518) | (11,060,794) | (10,136,630)
Interest income | 363,350 | 27 | 363,411 | 74
Total Other Income (Expense) | (3,565,573) | (3,626,621) | (11,368,042) | (10,933,281)
Net Income | 995,224 | (75,385) | 1,580,625 | 200,326
Investment Properties |  |  |  |
Revenues |  |  |  |
Rental income | 6,029,010 | 5,317,161 | 17,255,169 | 14,989,292
Laundry and sundry income | 36,557 | 37,731 | 109,285 | 114,758
Total Revenues | 6,065,567 | 5,354,892 | 17,364,454 | 15,104,050
Expenses |  |  |  |
Administrative | 90,892 | 109,128 | 273,720 | 318,532
Depreciation and amortization | 1,513,629 | 1,508,364 | 4,504,686 | 4,496,088
Management fee | 167,498 | 156,796 | 490,999 | 413,328
Operating | 451,350 | 462,631 | 1,457,229 | 1,327,298
Renting | 49,202 | 281,698 | 185,741 | 615,345
Repairs and maintenance | 925,670 | 884,014 | 2,231,091 | 2,263,838
Taxes and insurance | 937,128 | 895,491 | 2,755,975 | 2,643,200
Total Expenses | 4,135,369 | 4,298,122 | 11,899,441 | 12,077,629
Income Before Other Income (Expense) | 1,930,198 | 1,056,770 | 5,465,013 | 3,026,421
Other Income (Expense) |  |  |  |
Interest expense | (1,736,627) | (1,665,791) | (5,083,912) | (4,993,153)
Other Income |  |  |  | 1,222
Total Other Income (Expense) | (1,736,627) | (1,665,791) | (5,083,912) | (4,991,931)
Net Income | 193,571 | (609,021) | 381,101 | (1,965,510)
Proportionate share of net income (loss) | 93,516 | (233,130) | 203,867 | (796,725)
Investment Properties | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 80,451 | 52,403 | 257,136 | (52,597)
Investment Properties | NERA 40% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 13,065 | (285,533) | (53,269) | (744,128)
Hamilton Essex 81 |  |  |  |
Revenues |  |  |  |
Rental income | 433,819 | 414,497 | 1,194,570 | 856,569
Laundry and sundry income | 4,445 | 2,986 | 9,839 | 9,194
Total Revenues | 438,264 | 417,483 | 1,204,409 | 865,763
Expenses |  |  |  |
Administrative | 5,640 | 16,576 | 14,512 | 70,445
Depreciation and amortization | 119,789 | 120,266 | 358,568 | 358,788
Management fee | 21,620 | 17,335 | 58,716 | 29,181
Operating | 49,866 | 60,232 | 169,086 | 129,400
Renting | 9,759 | 26,272 | 23,823 | 81,149
Repairs and maintenance | 62,158 | 41,335 | 132,026 | 123,467
Taxes and insurance | 66,313 | 64,799 | 199,415 | 195,974
Total Expenses | 335,145 | 346,815 | 956,146 | 988,404
Income Before Other Income (Expense) | 103,119 | 70,668 | 248,263 | (122,641)
Other Income (Expense) |  |  |  |
Interest expense | (116,185) | (61,827) | (257,574) | (184,542)
Total Other Income (Expense) | (116,185) | (61,827) | (257,574) | (184,542)
Net Income | (13,066) | 8,841 | (9,311) | (307,183)
Hamilton Essex 81 | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | (6,534) | 4,421 | (4,656) | (153,593)
Hamilton Essex Development |  |  |  |
Revenues |  |  |  |
Rental income | 60,471 | 111,191 | 235,842 | 168,431
Total Revenues | 60,471 | 111,191 | 235,842 | 168,431
Expenses |  |  |  |
Administrative | 4,250 | 750 | 5,798 | 2,103
Depreciation and amortization | 2,927 | 5,074 | 8,782 | 15,223
Management fee | 2,353 | 6,187 | 9,879 | 6,187
Repairs and maintenance |  |  | 3,180 | 520
Taxes and insurance | 15,566 | 15,228 | 47,074 | 45,037
Total Expenses | 25,096 | 27,239 | 74,713 | 69,070
Income Before Other Income (Expense) | 35,375 | 83,952 | 161,129 | 99,361
Other Income (Expense) |  |  |  |
Net Income | 35,375 | 83,952 | 161,129 | 99,361
Hamilton Essex Development | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 17,688 | 41,976 | 80,565 | 49,681
345 Franklin |  |  |  |
Revenues |  |  |  |
Rental income | 392,851 | 343,674 | 1,107,677 | 1,019,465
Laundry and sundry income |  |  | 120 | 112
Total Revenues | 392,851 | 343,674 | 1,107,797 | 1,019,577
Expenses |  |  |  |
Administrative | 6,060 | 7,129 | 26,052 | 22,651
Depreciation and amortization | 86,776 | 86,449 | 259,967 | 257,314
Management fee | 15,610 | 13,943 | 43,719 | 40,288
Operating | 18,186 | 16,060 | 54,901 | 42,137
Renting | 10,650 | 12,174 | 27,857 | 46,108
Repairs and maintenance | 41,565 | 35,687 | 125,323 | 100,182
Taxes and insurance | 44,269 | 44,194 | 131,736 | 131,574
Total Expenses | 223,116 | 215,636 | 669,555 | 640,254
Income Before Other Income (Expense) | 169,735 | 128,038 | 438,242 | 379,323
Other Income (Expense) |  |  |  |
Interest expense | (86,694) | (89,248) | (263,093) | (269,993)
Total Other Income (Expense) | (86,694) | (89,248) | (263,093) | (269,993)
Net Income | 83,041 | 38,790 | 175,149 | 109,330
345 Franklin | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 41,520 | 19,395 | 87,575 | 54,665
Hamilton 1025 |  |  |  |
Revenues |  |  |  |
Rental income | 27,813 | 26,410 | 77,935 | 75,148
Total Revenues | 27,813 | 26,410 | 77,935 | 75,148
Expenses |  |  |  |
Administrative | 793 | 651 | 2,142 | 2,140
Depreciation and amortization | 816 | 816 | 2,448 | 2,448
Management fee | 1,112 | 1,272 | 3,166 | 2,843
Operating |  | 55 | 1,219 | 231
Operating | 54 |  |  |
Taxes and insurance | 4,448 | 4,634 | 13,567 | 14,535
Total Expenses | 7,223 | 7,428 | 22,542 | 22,197
Income Before Other Income (Expense) | 20,590 | 18,982 | 55,393 | 52,951
Other Income (Expense) |  |  |  |
Net Income | 20,590 | 18,982 | 55,393 | 52,951
Hamilton 1025 | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 10,295 | 9,491 | 27,697 | 26,476
Hamilton Minuteman |  |  |  |
Revenues |  |  |  |
Rental income | 300,345 | 293,988 | 899,186 | 865,196
Laundry and sundry income |  | 1,243 | 472 | 4,548
Total Revenues | 300,345 | 295,231 | 899,658 | 869,744
Expenses |  |  |  |
Administrative | 3,542 | 3,824 | 9,297 | 11,485
Depreciation and amortization | 84,966 | 84,827 | 253,369 | 253,180
Management fee | 12,438 | 11,716 | 35,967 | 34,592
Operating | 20,336 | 23,542 | 95,538 | 78,038
Renting | 1,974 | 375 | 8,988 | 1,095
Repairs and maintenance | 37,999 | 30,184 | 82,989 | 86,566
Taxes and insurance | 38,546 | 36,986 | 114,224 | 107,198
Total Expenses | 199,801 | 191,454 | 600,372 | 572,154
Income Before Other Income (Expense) | 100,544 | 103,777 | 299,286 | 297,590
Other Income (Expense) |  |  |  |
Interest expense | (59,000) | (59,880) | (177,129) | (177,757)
Total Other Income (Expense) | (59,000) | (59,880) | (177,129) | (177,757)
Net Income | 41,544 | 43,897 | 122,157 | 119,833
Hamilton Minuteman | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | 20,771 | 21,949 | 61,078 | 59,917
Hamilton on Main Apts |  |  |  |
Revenues |  |  |  |
Rental income | 919,313 | 827,140 | 2,725,431 | 2,491,414
Laundry and sundry income | 8,252 | 9,796 | 25,402 | 27,837
Total Revenues | 927,565 | 836,936 | 2,750,833 | 2,519,251
Expenses |  |  |  |
Administrative | 16,448 | 14,592 | 52,028 | 49,372
Depreciation and amortization | 270,802 | 272,874 | 808,116 | 813,435
Management fee | 36,098 | 32,831 | 108,615 | 97,262
Operating | 90,931 | 101,948 | 282,757 | 315,638
Renting | 14,264 | 20,213 | 39,844 | 71,772
Repairs and maintenance | 188,269 | 177,652 | 494,223 | 446,677
Taxes and insurance | 125,879 | 115,028 | 387,242 | 336,333
Total Expenses | 742,691 | 735,138 | 2,172,825 | 2,130,489
Income Before Other Income (Expense) | 184,874 | 101,798 | 578,008 | 388,762
Other Income (Expense) |  |  |  |
Interest expense | (191,453) | (191,453) | (568,251) | (568,246)
Total Other Income (Expense) | (191,453) | (191,453) | (568,251) | (568,246)
Net Income | (6,579) | (89,655) | 9,757 | (179,484)
Hamilton on Main Apts | NERA 50% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | (3,289) | (44,829) | 4,879 | (89,742)
Dexter Park |  |  |  |
Revenues |  |  |  |
Rental income | 3,894,398 | 3,300,261 | 11,014,528 | 9,513,069
Laundry and sundry income | 23,860 | 23,706 | 73,452 | 73,067
Total Revenues | 3,918,258 | 3,323,967 | 11,087,980 | 9,586,136
Expenses |  |  |  |
Administrative | 54,159 | 65,606 | 163,891 | 160,336
Depreciation and amortization | 947,553 | 938,058 | 2,813,436 | 2,795,700
Management fee | 78,267 | 73,512 | 230,937 | 202,975
Operating | 271,977 | 260,794 | 853,728 | 761,854
Renting | 12,555 | 222,664 | 85,229 | 415,221
Repairs and maintenance | 595,679 | 599,156 | 1,393,350 | 1,506,426
Taxes and insurance | 642,107 | 614,622 | 1,862,717 | 1,812,549
Total Expenses | 2,602,297 | 2,774,412 | 7,403,288 | 7,655,061
Income Before Other Income (Expense) | 1,315,961 | 549,555 | 3,684,692 | 1,931,075
Other Income (Expense) |  |  |  |
Interest expense | (1,283,295) | (1,263,383) | (3,817,865) | (3,792,615)
Other Income |  |  |  | 1,222
Total Other Income (Expense) | (1,283,295) | (1,263,383) | (3,817,865) | (3,791,393)
Net Income | 32,666 | (713,828) | (133,173) | (1,860,318)
Dexter Park | NERA 40% |  |  |  |
Other Income (Expense) |  |  |  |
Proportionate share of net income (loss) | $ 13,065 | $ (285,533) | $ (53,269) | $ (744,128)

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