Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt (Details)

v3.19.3
Long-Term Debt (Details) - USD ($)
Sep. 30, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Unamortized discount and issuance costs $ (1,294,730) $ (1,687,921)
Net Marathon Credit Agreement 14,559,410 8,312,079
Less current portion 6,354,140 0
Long-term debt $ 8,205,270 8,312,079
Interest rate 10.00%  
Marathon Tranche One Loan    
Debt Instrument [Line Items]    
Gross proceeds $ 10,000,000 10,000,000
Marathon Tranche Two Loan    
Debt Instrument [Line Items]    
Gross proceeds $ 5,854,140 $ 0