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v3.19.1

Segments (Net Operating Income by Segment) (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Net Operating Income [Abstract] |  |
Rental income | $ 31,141,558 | $ 31,832,530
Property and related expenses | (10,886,719) | (10,723,464)
Net operating income, as defined | 21,457,294 | 22,650,678
General and administrative expenses | (4,532,703) | (5,200,592)
Depreciation and amortization | (9,101,605) | (9,710,265)
Interest expense | (13,041,016) | (12,954,079)
Interest income | 55,909 | 30,287
Gain on sale of real estate | 12,200,138 | 2,623,469
Deferred offering costs | (1,507,599) |
Impairment of real estate assets | (532,951) |
Acquisition costs | (26,177) | (72,897)
Income tax expense | (518,567) | (208,681)
Net income (loss) | 4,452,723 | (2,842,080)
Office/Industrial Properties [Member] |  |
Net Operating Income [Abstract] |  |
Rental income | 24,037,363 | 25,140,525
Property and related expenses | (9,494,885) | (9,263,556)
Net operating income, as defined | 14,542,478 | 15,876,969
Model Home Properties [Member] |  |
Net Operating Income [Abstract] |  |
Rental income | 4,642,159 | 3,899,570
Property and related expenses | (174,238) | (154,206)
Net operating income, as defined | 4,467,921 | 3,745,364
Retail/Mixed Use Properties [Member] |  |
Net Operating Income [Abstract] |  |
Rental income | 3,664,491 | 4,334,047
Property and related expenses | (1,217,596) | (1,305,702)
Net operating income, as defined | $ 2,446,895 | $ 3,028,345

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- Definition The capitalized costs incurred during the period (excluded from amortization) to purchase, lease or otherwise acquire an unproved property, including costs of lease bonuses and options to purchase or lease properties, the portion of costs applicable to minerals when land including mineral rights is purchased in fee, brokers' fees, recording fees, legal costs, and other costs incurred in acquiring properties. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(7)(ii)) -URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 932 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-10(c)(3)(ii)(A)) -URI http://asc.fasb.org/extlink&oid=82851474&loc=d3e511914-122862 + Details
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