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Convertible Debt - Balance of Convertible Bonds and Notes (Details)	Sep. 30, 2020 USD ($)
Debt Instrument [Line Items]
Principal amount converted into common shares	$ (19,085,000)
6.50% Convertible Senior Notes Due 2024
Debt Instrument [Line Items]
Principal amount	78,500,000
Unamortized debt discount	(8,965,643)
Unamortized debt issuance cost	(1,233,978)
Accrued interest	321,831
Total	49,537,210
December 2019 Bonds
Debt Instrument [Line Items]
Principal amount	4,030,978
Unamortized debt issuance cost	(37,985)
Accretion of premium associated with the December 2019 Bonds	148,593
Accrued interest	10,077
Total	$ 4,151,663

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