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Long-Term Debt (Tables)
9 Months Ended
Sep. 30, 2019
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments
Long-term debt consists of the following:
September 30, 2019December 31, 2018
Marathon Tranche One Loan, due December 31, 2021, interest payable quarterly, variable interest rate of 10.0% as of September 30, 2019
$10,000,000  $10,000,000  
Marathon Tranche Two Loan, due December 31, 2021, interest payable quarterly, variable interest rate of 10.0% as of September 30, 2019
5,854,140  —  
Unamortized discount and issuance costs(1,294,730) (1,687,921) 
Net Marathon Credit Agreement14,559,410  8,312,079  
Less current portion6,354,140  —  
Long-term debt$8,205,270  $8,312,079