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Debt - 2019 notes (Details) - USD ($)
1 Months Ended
Oct. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]      
Principal amount $ 550,000    
Net carrying value     $ 11,294,770
Tempesta Note Payable      
Debt Instrument [Line Items]      
Cash received in the settlement 50,000    
Principal amount $ 550,000    
Common stock issued in exchange of debt 40,000    
Interest rate (as a percent) 2.50%    
Semi-annual principal and interest payments $ 50,000    
Net carrying value   $ 550,000