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Summary of Significant Accounting Policies (Tables) | 9 Months Ended
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Sep. 30, 2018
Accounting Policies [Abstract] |
Schedule of Real Estate Properties [Table Text Block] | Real estate held for sale consisted of the following as of September 30, 2018 and December 31, 2017 (in thousands):
|  | September 30, 2018 |  |  | December 31, 2017 |
Land |  | $ | 271 |  |  | $ | 393 |
Buildings |  |  | 1,087 |  |  |  | 1,857 |
Lease Intangibles (Asset) |  |  | 290 |  |  |  | 557 |
|  |  | 1,648 |  |  |  | 2,807 |
Accumulated depreciation and amortization |  |  | (281 | ) |  |  | (387 | )
Total Real Estate Held for Sale |  | $ | 1,367 |  |  | $ | 2,420 |
Schedule of Amortization of Deferred Expenses [Table Text Block] | The following schedule summarizes the Company’s amortization of deferred expenses for the three and nine months ended September 30, 2018 and 2017 (in thousands):
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, 2018 |  |  | September 30, 2017 |  |  | September 30, 2018 |  |  | September 30, 2017 |
Credit Facility Financing Costs |  | $ | 133 |  |  | $ | 102 |  |  | $ | 335 |  |  | $ | 304 |
Leasing Costs |  |  | 82 |  |  |  | 40 |  |  |  | 166 |  |  |  | 120 |
Lease Intangibles (Asset) |  |  | 5,998 |  |  |  | 3,802 |  |  |  | 16,781 |  |  |  | 11,209 |
Lease Intangibles (Liability) |  |  | (1,083 | ) |  |  | (1,037 | ) |  |  | (3,168 | ) |  |  | (3,167 | )
Total |  | $ | 5,130 |  |  | $ | 2,907 |  |  | $ | 14,114 |  |  | $ | 8,466 |
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] | The following schedule represents estimated future amortization of deferred expenses as of September 30, 2018 (in thousands):
Year Ending December 31, |  | 2018 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
|  | (remaining) |  |  | 2019 |  |  | 2020 |  |  | 2021 |  |  | 2022 |  |  | Thereafter |  |  | Total |
Credit Facility Financing Costs |  | $ | 142 |  |  | $ | 556 |  |  | $ | 541 |  |  | $ | 28 |  |  | $ | - |  |  | $ | - |  |  | $ | 1,267 |
Leasing Costs |  |  | 76 |  |  |  | 276 |  |  |  | 302 |  |  |  | 293 |  |  |  | 285 |  |  |  | 1,350 |  |  |  | 2,582 |
Lease Intangibles (Asset) |  |  | 6,822 |  |  |  | 25,643 |  |  |  | 25,493 |  |  |  | 24,815 |  |  |  | 23,737 |  |  |  | 164,096 |  |  |  | 270,606 |
Lease Intangibles (Liability) |  |  | (1,143 | ) |  |  | (4,291 | ) |  |  | (4,279 | ) |  |  | (3,993 | ) |  |  | (3,094 | ) |  |  | (10,828 | ) |  |  | (27,628 | )
Total |  | $ | 5,897 |  |  | $ | 22,184 |  |  | $ | 22,057 |  |  | $ | 21,143 |  |  | $ | 20,928 |  |  | $ | 154,618 |  |  | $ | 246,827 |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following is a reconciliation of the denominator of the basic net earnings per common share computation to the denominator of the diluted net earnings per common share computation for each of the periods presented:
|  | Three Months Ended |  |  | Nine Months Ended |
|  | September 30, 2018 |  |  | September 30, 2017 |  |  | September 30, 2018 |  |  | September 30, 2017 |
Weighted average number of common shares outstanding |  |  | 31,969,749 |  |  |  | 28,792,158 |  |  |  | 31,342,354 |  |  |  | 27,207,725 |
Less: Unvested restricted stock |  |  | (210,824 | ) |  |  | (219,136 | ) |  |  | (210,824 | ) |  |  | (219,136 | )
Weighted average number of common shares outstanding used in basic earnings per share |  |  | 31,758,925 |  |  |  | 28,573,022 |  |  |  | 31,131,530 |  |  |  | 26,988,589 |
Weighted average number of common shares outstanding used in basic earnings per share |  |  | 31,758,925 |  |  |  | 28,573,022 |  |  |  | 31,131,530 |  |  |  | 26,988,589 |
Effect of dilutive securities: restricted stock |  |  | 80,211 |  |  |  | 83,662 |  |  |  | 71,855 |  |  |  | 80,763 |
Effect of dilutive securities: March 2018 forward equity offering |  |  | 439,761 |  |  |  | - |  |  |  | 265,048 |  |  |  | - |
Effect of dilutive securities: September 2018 forward equity offering |  |  | 8,455 |  |  |  | - |  |  |  | 2,818 |  |  |  | - |
Weighted average number of common shares outstanding used in diluted earnings per share |  |  | 32,287,352 |  |  |  | 28,656,684 |  |  |  | 31,471,251 |  |  |  | 27,069,352 |
Operating Partnership Units ("OP Units") |  |  | 347,619 |  |  |  | 347,619 |  |  |  | 347,619 |  |  |  | 347,619 |
Weighted average number of common shares and OP Units outstanding used in diluted earnings per share |  |  | 32,634,971 |  |  |  | 29,004,303 |  |  |  | 31,818,870 |  |  |  | 27,416,971 |

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