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General and Administrative Expense (Tables) | 12 Months Ended
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Dec. 31, 2019
General and Administrative Expense [Abstract] |
General and Administrative Expense | General and administrative expenses for the years ended December 31, 2017, 2018 and 2019 were as follows:
|  | December 31,
|  | 2017 |  | 2018 |  | 2019
Management fees – related parties |  | $ | 13,511 |  |  | $ | 16,536 |  |  | $ | 18,050 |
Professional fees (legal and accounting) |  | 687 |  |  | 833 |  |  | 720 |
Directors fess and expenses |  | 468 |  |  | 477 |  |  | 468 |
Listing fees and expenses |  | 96 |  |  | 115 |  |  | 97 |
Miscellaneous |  | 1,356 |  |  | 1,281 |  |  | 1,304 |
Total |  | $ | 16,118 |  |  | $ | 19,242 |  |  | $ | 20,639 |

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