Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Reclassification - Tabular Information (Details)

v3.7.0.1
Summary of Significant Accounting Policies - Reclassification - Tabular Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Operating expenses    
Research and development $ 18,615 $ 14,476
General and administrative 6,463 5,267
Total operating expenses $ 25,078 19,743
Previously Reported    
Operating expenses    
Research and development   13,888
General and administrative   5,855
Total operating expenses   $ 19,743