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Related Party Transactions (Tables)
 3 Months Ended
Mar. 31, 2017
Related Party Transactions [Abstract]  
Summary of Related Party Expenses

Related party expenses consisted of the following:

 

         Three Months Ended  
         March 31,  

(in thousands)

  

Transaction Type

    2017      2016  

Avista

  

Offering costs paid on behalf of Avista pursuant to registration rights agreement

    $ 149      $ —    

INC Research Holdings, Inc. (“INC”)*

  

Pharmacovigilance services

      —          166  

VWR Scientific

  

Inventory supplies

      208        103  
    

 

 

     

 

 

  

Total related party expenses

      $ 357      $ 269  
    

 

 

     

 

 

  
  * During the year ended December 31, 2016, Avista’s relationship with INC changed and Avista was no longer considered a principal owner of that Company. Related party expenses included in this table represent expenses incurred during the period under which the Company and INC were under common ownership by Avista.