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Supplemental Cash Flow Information (Tables) | 3 Months Ended
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Mar. 31, 2021
Supplemental Cash Flow Information [Abstract] |
Supplemental cash flow information |
|  | Three-months Ended March 31, |
|  | 2021 |  |  | 2020 |
Cash paid for interest |  | $ | 1,707,931 |  |  | $ | 1,588,030 |
Cash, cash equivalents, and restricted cash |
|  | March 31, 2021 |  |  | December 31, 2020 |
Cash and cash equivalents |  | $ | 80,049 |  |  | $ | 1,466,831 |
Restricted cash (1) |  |  | 2,049,056 |  |  |  | 2,049,056 |
Total cash, cash equivalents, and restricted cash |  | $ | 2,129,105 |  |  | $ | 3,515,887 |
(1) Amounts included in restricted cash represent the deposits required under the Company's lines of credit.

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