Quarterly report pursuant to Section 13 or 15(d)

Liquidity and Plan of Operations (Details Textual)

v3.7.0.1
Liquidity and Plan of Operations (Details Textual) - USD ($)
 3 Months Ended 6 Months Ended
Aug. 07, 2017
Jan. 13, 2017
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Dec. 31, 2016
Going Concern And Plan Of Operation [Line Items]              
Deficit accumulated during development stage     $ 43,643,467   $ 43,643,467   $ 35,179,710
Net loss     $ (3,967,640) $ (1,623,885) (8,463,757) $ (3,868,495)  
Proceeds from Issuance of Warrants   $ 13,500,000          
Estimated Net Proceeds from Issuance of Warrants   $ 12,700,000          
Proceeds from Issuance Initial Public Offering         $ 30,000,000    
Subsequent Event [Member]              
Going Concern And Plan Of Operation [Line Items]              
Stock Issued During Period, Shares, New Issues 0