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Convertible Debt (Tables)
 12 Months Ended
Dec. 31, 2020
Debt Disclosure [Abstract]  
Schedule of convertible debt
The balance of the Notes at December 31, 2020 is as follows:
Principal amount$78,500,000 
Principal amount converted into common shares(62,085,000)
Unamortized debt discount on the liability component(2,312,404)
Unamortized debt issuance cost(318,266)
Accrued interest355,658 
     Net carrying amount $14,139,988 
The balance of the December 2019 Bonds at December 31, 2020 is as follows:
Principal amount$4,327,370 
Unamortized debt issuance cost(36,525)
Accretion of premium associated with the December 2019 Bonds214,171 
Accrued interest10,818 
     Net carrying amount $4,515,834 
Schedule of maturities of long-term debt
As of December 31, 2020, future minimum payments due under the Company's convertible debt instruments are as follows:
Year ending December 31,Convertible Notes (1)December 2019 Bonds (2)Total
2021$1,067,000 $43,000 $1,110,000 
20221,067,000 43,000 1,110,000 
20231,067,000 44,000 1,111,000 
202416,948,000 5,571,000 22,519,000 
Total$20,149,000 $5,701,000 $25,850,000 
(1) Amounts represent contractual amounts due under the Notes, including interest based on the fixed rate of 6.5% per year.
(2) Amounts represent amounts due under the December 2019 Bonds, including interest based on the fixed rate of 1% per year plus a premium on such bonds to provide an internal rate of return with respect to such Bonds of 6% at maturity.