Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.19.1
Debt (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Less current portion $ 4,104,140
Long-term debt 8,441,129 8,312,079
Marathon Tranche Loan [Member]    
Debt Instrument [Line Items]    
Marathon Tranche One Loan, due December 31, 2021, interest only quarterly payments, variable interest rate of 10.4% as of March 31, 2019 (discount is based on warrant valuation of approximately 9.7%) 10,000,000 10,000,000
Marathon Tranche Two Loan, due December 31, 2021, interest only quarterly payments, variable interest rate of 10.4% as of March 31, 2019 (discount is based on warrant valuation of approximately 9.7%) 4,104,140
Marathon Credit Agreement unamortized discount and issuance costs (1,558,871) (1,687,921)
Net Marathon Credit Agreement $ 12,545,269 $ 8,312,079