Annual report pursuant to Section 13 and 15(d)

Net Loss Per Common Share (Details)

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Net Loss Per Common Share (Details) - shares
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Stock Options, Restricted Stock Units And Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Potentially dilutive securities 15,871,708 8,961,140