v3.19.3
Long-Term Debt - Schedule of Debt and Unamortized Discount Balances (Details) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Dec. 31, 2018
Debt Instrument [Line Items]          
Long-term debt $ 18,777,356   $ 18,777,356   $ 9,029,374
Non-cash interest expense related to debt discount amortization and accretion 75,741 $ 48,461 204,259 $ 69,791  
MidCap Financial CSA          
Debt Instrument [Line Items]          
Term loan face value         10,000,000
Fair value of warrant         (176,813)
End of term charge         (400,000)
Capitalized debt issuance costs         (499,354)
Accretion of debt issuance costs and end of term charge         87,859
Accretion of warrant fair value         17,682
Balance         9,029,374
Less current portion         0
Long-term debt         $ 9,029,374
Innovatus LSA          
Debt Instrument [Line Items]          
Term loan face value 20,000,000   20,000,000    
Fair value of warrant (629,830)   (629,830)    
Stock discount issued (201,789)   (201,789)    
End of term charge (750,000)   (750,000)    
Capitalized debt issuance costs (865,555)   (865,555)    
Interest payment-in-kind 319,401   319,401    
Accretion of debt issuance costs and end of term charge 155,129   155,129    
Balance 18,777,356   18,777,356    
Less current portion 0   0    
Long-term debt $ 18,777,356   $ 18,777,356