Annual report pursuant to Section 13 and 15(d)

Debt - Summary of Convertible Note Interest Expense (Details)

v3.20.4
Debt - Summary of Convertible Note Interest Expense (Details) - Convertible Debt - USD ($)
12 Months Ended
Jun. 12, 2020
Apr. 29, 2020
Aug. 15, 2019
Jan. 16, 2019
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Aug. 12, 2019
Jun. 29, 2015
Debt Instrument [Line Items]                  
Total Convertible Note Interest         $ 7,697,403 $ 6,675,037 $ 8,766,306    
7.00% Unsecured convertible senior notes                  
Debt Instrument [Line Items]                  
Interest Expense         55,331 3,354,178 7,979,118    
Discount Amortization     $ 360,000 $ 409,000 6,682 320,821 738,912    
Deferred Debt Issuance Cost Amortization     24,000 27,000 1,140 21,004 48,276    
Total Convertible Note Interest $ 59,000   $ 733,000 $ 315,000 $ 63,153 $ 3,696,003 8,766,306    
Effective interest rate         0.00% 7.00%     7.00%
5.875% Unsecured Convertible Senior Notes                  
Debt Instrument [Line Items]                  
Interest Expense         $ 6,972,988 $ 2,722,083 0    
Discount Amortization         577,539 225,458 0    
Deferred Debt Issuance Cost Amortization         83,723 31,493 0    
Total Convertible Note Interest   $ 24,000     $ 7,634,250 $ 2,979,034 $ 0    
Effective interest rate     5.875%   5.875% 5.875%   5.875%