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Long-term Debt - Components of the 12% Amended Senior Secured Notes and Carrying Values (Details) - USD ($) | Dec. 31, 2019 | Sep. 30, 2019 | Aug. 27, 2019 | Jun. 30, 2019 | Jun. 14, 2019 | Jun. 10, 2019 | Mar. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | --- | --- | --- | --- | ---
Accrued interest | $ 1,016,113 | $ 615,483 |  | $ 615,483 |  |  | $ 614,630 | $ 597,743
12% Amended Senior Secured Notes [Member] |  |  |  |  |  |  |  |
Principal amount of debt received | 71,000,000 |  | $ 3,000,000 |  | $ 48,000,000 | $ 20,000,000 |  |
Accrued interest | 1,082,642 |  |  |  |  |  |  |
Less principal payment paid in Series J Preferred Stock (net of interest of $146,067) | (4,853,933) |  |  |  |  |  |  |
Less principal payments paid in cash | (17,307,364) |  |  |  |  |  |  |
Principal amount of debt outstanding including accrued interest | 49,921,345 |  |  |  |  |  |  |
Subtotal debt discount | (7,152,382) |  |  |  |  |  |  |
Less amortization of debt discount | 1,240,782 |  |  |  |  |  |  |
Unamortized debt discount | (5,911,600) |  |  |  |  |  |  |
Carrying value at December 31, 2019 | 44,009,745 |  |  |  |  |  |  |
12% Amended Senior Secured Notes [Member] | Placement fee to B. Riley FBR [Member] |  |  |  |  |  |  |  |
Subtotal debt discount | (3,550,000) |  |  |  |  |  |  |
12% Amended Senior Secured Notes [Member] | Success Based fee to B. Riley FBR [Member] |  |  |  |  |  |  |  |
Subtotal debt discount | (3,400,000) |  |  |  |  |  |  |
12% Amended Senior Secured Notes [Member] | Legal and Other Costs [Member] |  |  |  |  |  |  |  |
Subtotal debt discount | $ (202,382) |  |  |  |  |  |  |

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