v3.19.3
Long-Term Debt (Tables)
6 Months Ended
Jun. 30, 2019
Debt Disclosure [Abstract]  
Schedule of Long-term Debt Instruments [Table Text Block]
Long-term debt consists of the following:
June 30, 2019December 31, 2018
Marathon Tranche One Loan, due December 31, 2021, interest only quarterly payments, variable interest rate of 10.25% as of June 30, 2019$10,000,000  $10,000,000  
Marathon Tranche Two Loan, due December 31, 2021, interest only quarterly payments, variable interest rate of 10.25% as of June 30, 20195,854,140  —  
Marathon Credit Agreement unamortized discount and issuance costs(1,427,818) (1,687,921) 
Net Marathon Credit Agreement14,426,322  8,312,079  
Less current portion5,854,140  —  
Long-term debt$8,572,182  $8,312,079