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v3.20.1

SEGMENTS (Net Operating Income by Segment) (Detail) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 USD ($) Segment | Mar. 31, 2019 USD ($) | Dec. 31, 2019 USD ($) Segment | Dec. 31, 2018 USD ($)
Net Operating Income [Abstract] |  |  |  |
Number of reportable segments | Segment | 3 |  | 3 |
Rental, fees and other income | $ 7,029,151 | $ 7,179,264 | $ 28,641,111 | $ 32,344,013
Property and related expenses | (2,381,092) | (2,763,550) | (10,410,574) | (10,886,719)
Net operating income, as defined | 4,648,059 | 4,415,714 | 18,230,537 | 21,457,294
General and administrative expenses | (1,351,345) | (1,760,703) | (5,268,315) | (4,532,703)
Depreciation and amortization | (1,574,526) | (2,210,081) | (7,364,688) | (9,101,605)
Interest expense | (2,553,846) | (2,545,203) | (10,649,646) | (13,041,016)
Interest income |  |  | 141,306 | 55,909
Other income (expense) | (6,995) | 5,524 |  |
Gain on sale of real estate | (9,835) | 1,214,242 | 6,319,272 | 12,200,138
Deferred offering cost |  |  |  | (1,507,599)
Impairment of real estate | 0 |  |  | (532,951)
Acquisition costs |  |  | (24,269) | (26,177)
Income tax expense | (83,631) | (81,430) | (611,263) | (518,567)
Net income | (932,119) | (961,937) | 772,934 | 4,452,723
Industrial Office Properties |  |  |  |
Net Operating Income [Abstract] |  |  |  |
Rental, fees and other income | 4,984,942 | 5,454,153 | 21,490,215 | 24,037,363
Property and related expenses | (2,015,624) | (2,504,787) | (9,317,720) | (9,494,885)
Net operating income, as defined | 2,969,318 | 2,949,366 | 12,172,495 | 14,542,478
Model Home properties |  |  |  |
Net Operating Income [Abstract] |  |  |  |
Rental, fees and other income | 1,116,730 | 1,081,684 | 4,194,489 | 4,642,159
Property and related expenses | (46,260) | (50,422) | (193,367) | (174,238)
Net operating income, as defined | 1,070,470 | 1,031,262 | 4,001,122 | 4,467,921
Retail Use Properties |  |  |  |
Net Operating Income [Abstract] |  |  |  |
Rental, fees and other income | 927,479 | 643,427 | 2,956,407 | 3,664,491
Property and related expenses | (319,208) | (208,341) | (899,487) | (1,217,596)
Net operating income, as defined | $ 608,271 | $ 435,086 | $ 2,056,920 | $ 2,446,895

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