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Convertible Debt - Schedule of Maturities (Details) - USD ($) | Sep. 30, 2020 | Dec. 31, 2019 | Dec. 26, 2019 | Aug. 01, 2019 | Mar. 01, 2019
--- | --- | --- | --- | --- | ---
6.50% Convertible Senior Notes Due 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total | $ 49,537,210 |  |  |  |
December 2019 Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Total | 4,151,663 |  |  |  |
Convertible Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Remainder of 2020 | 10,000 |  |  |  |
2021 | 3,902,300 |  |  |  |
2022 | 3,902,300 |  |  |  |
2023 | 3,902,300 |  |  |  |
2024 | 66,535,000 |  |  |  |
Total | 78,251,900 |  |  |  |
Convertible Debt | 6.50% Convertible Senior Notes Due 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Remainder of 2020 | 0 |  |  |  |
2021 | 3,862,000 |  |  |  |
2022 | 3,862,000 |  |  |  |
2023 | 3,862,000 |  |  |  |
2024 | 61,346,000 |  |  |  |
Total | $ 72,932,000 |  |  |  |
Stated interest rate | 6.50% | 6.50% |  |  | 6.50%
Convertible Debt | August 2019 Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Stated interest rate | 1.00% | 1.00% |  | 1.00% |
Debt instrument, convertible, internal rate of return | 6.00% |  |  |  |
Convertible Debt | December 2019 Bonds |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Remainder of 2020 | $ 10,000 |  |  |  |
2021 | 40,300 |  |  |  |
2022 | 40,300 |  |  |  |
2023 | 40,300 |  |  |  |
2024 | 5,189,000 |  |  |  |
Total | $ 5,319,900 |  |  |  |
Stated interest rate | 1.00% | 1.00% | 1.00% |  |
Debt instrument, convertible, internal rate of return | 6.00% |  | 6.00% |  |

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