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Convertible Debt - Schedule of Maturities (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019	Dec. 26, 2019	Mar. 01, 2019
6.50% Convertible Senior Notes Due 2024
Debt Instrument [Line Items]
Total	$ 14,139,988
December 2019 Bonds
Debt Instrument [Line Items]
Total	4,515,834
Convertible Debt
Debt Instrument [Line Items]
2021	1,110,000
2022	1,110,000
2023	1,111,000
2024	22,519,000
Total	25,850,000
Convertible Debt | 6.50% Convertible Senior Notes Due 2024
Debt Instrument [Line Items]
2021	1,067,000
2022	1,067,000
2023	1,067,000
2024	16,948,000
Total	$ 20,149,000
Stated interest rate	6.50%	6.50%		6.50%
Convertible Debt | December 2019 Bonds
Debt Instrument [Line Items]
2021	$ 43,000
2022	43,000
2023	44,000
2024	5,571,000
Total	$ 5,701,000
Stated interest rate		1.00%	1.00%
Debt instrument, convertible, internal rate of return			6.00%

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