Quarterly report pursuant to Section 13 or 15(d)

Debt (Details Textual)

Debt (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Dec. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Debt Instrument [Line Items]      
Amortization expense   $ 129,050
Value of warrants   $ 568,066
Credit Agreement [Member]      
Debt Instrument [Line Items]      
Warrants to purchase of common stock shares   8,053,390  
Warrants exercise price   $ 1.25  
Warrants to purchase common stock, description   The Company will be required to issue additional Common Stock Purchase Warrants (the "Additional Warrants") to the Lenders equal to 10%, in the aggregate, of any additional issuance, subject to certain exceptions, on substantially the same terms and conditions of the Initial Warrants, except that (i) the applicable expiration date thereof shall be five years from the issuance date of the applicable warrant, (ii) the initial exercise price shall be a price equal to the price per share of common stock used in the relevant issuance multiplied by 110% and (iii) the holder shall be entitled to exercise the warrant on a cashless exercise at any time the warrant is exercisable.  
Credit agreement, description The Company with a $10 million tranche of term loans (the "Tranche One Loans") which may not be re-borrowed following repayment and (ii) a $25 million tranche of term loans which may be re-borrowed following repayment (the "Tranche Two Loans" together with the Tranche One Loans, the "Loans").    
Value of warrants   $ 965,747  
Debt discount   $ 722,174