Annual report pursuant to Section 13 and 15(d)

Net Loss Per Common Share (Details)

v3.8.0.1
Net Loss Per Common Share (Details) - shares
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Net Loss Per Common Share [Abstract]      
Potentially dilutive securities 8,961,140 7,142,728 3,908,295