Quarterly report pursuant to Section 13 or 15(d)

Accrued Expenses (Details)

v3.8.0.1
Accrued Expenses (Details) - USD ($)
$ in Thousands
Sep. 30, 2017
Dec. 31, 2016
Accrued Liabilities    
External research and preclinical development $ 3,972 $ 3,290
Employee compensation and benefits 2,116 1,911
Professional fees 850 819
Facilities 20 90
Restricted stock liability   5
Total accrued expenses $ 6,958 $ 6,115