Quarterly report pursuant to Section 13 or 15(d)

Related-Party Transactions - Additional Information (Details)

v3.2.0.727
Related-Party Transactions - Additional Information (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
May. 31, 2015
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Related Party Transaction [Line Items]          
IPO success fee   $ 0 $ 500 $ 0 $ 500
Sanofi [Member]          
Related Party Transaction [Line Items]          
Ownership percentage of a related party in a customer of the company       100.00%  
Sales [Member] | Sanofi [Member]          
Related Party Transaction [Line Items]          
Percentage of related-party revenue   27.00% 40.00% 29.00% 40.00%
Burrill Securities [Member] | Affiliated Entity [Member]          
Related Party Transaction [Line Items]          
IPO success fee $ 500