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Lease Intangibles (Net Value of Other Intangible Assets and Amortization by Class) (Details) - USD ($) | Dec. 31, 2018 | Dec. 31, 2017
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Finite Lived Intangible Assets [Line Items] |  |
Lease intangibles | $ 9,026,435 | $ 9,096,794
Accumulated amortization | (6,164,961) | (5,182,342)
Lease intangibles, net | 2,861,474 | 3,914,452
Leases, Acquired-in-Place [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Lease intangibles | 4,958,477 | 4,958,477
Accumulated amortization | (3,467,781) | (2,899,042)
Lease intangibles, net | 1,490,696 | 2,059,435
Leasing Cost [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Lease intangibles | 3,628,080 | 3,628,080
Accumulated amortization | (2,405,514) | (1,990,154)
Lease intangibles, net | 1,222,566 | 1,637,926
Above Market Leases [Member] |  |
Finite Lived Intangible Assets [Line Items] |  |
Lease intangibles | 439,878 | 510,237
Accumulated amortization | (291,666) | (293,146)
Lease intangibles, net | $ 148,212 | $ 217,091

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