Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions - (Details)

v3.5.0.2
Related Party Transactions - (Details) - Investor - USD ($)
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Related Party Transactions    
Related party expense, external research and preclinical development services $ 733,000 $ 1,450,000
Related party expense, operating lease rent $ 0 $ 244,000