Quarterly report pursuant to Section 13 or 15(d)

Net Loss per Share - Schedule of Anti-dilutive Shares Outstanding Excluded in Calculation of Diluted Net Loss per Share (Details)

v3.7.0.1
Net Loss per Share - Schedule of Anti-dilutive Shares Outstanding Excluded in Calculation of Diluted Net Loss per Share (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total 2,017,932 6,434,611 2,017,932 6,434,611
Options to Purchase Common Stock        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total 1,303,336 1,064,831 1,303,336 1,064,831
The March 2017 Preferred stock warrant        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total 714,596 680,027 714,596 680,027
Series B-1 Convertible Preferred Stock (as-converted)        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total   3,848,023   3,848,023
Series A-2 Convertible Preferred Stock (as-converted)        
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]        
Total   841,730   841,730