XML 55 R45.htm IDEA: XBRL DOCUMENT v3.8.0.1
Net Loss Per Share - Schedule of Anti-Dilutive Securities (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Sep. 30, 2017
Sep. 30, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded (shares) 9,144,253 7,527,752 9,144,253 7,811,843
Options to purchase commons stock [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded (shares) 7,811,387 6,747,961 7,811,387 6,747,961
Warrants to purchase common stock [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded (shares)     0 284,091
Restricted stock units [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded (shares) 1,324,410 771,335 1,324,410 771,335
Convertible preferred stock [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded (shares) 8,456 8,456 8,456 8,456