Annual report pursuant to Section 13 and 15(d)

Collaborative, Licensing and Other Arrangements - Pfizer - Additional Information (Details)

v3.6.0.2
Collaborative, Licensing and Other Arrangements - Pfizer - Additional Information (Details) - Collaborative Arrangement [Member] - Pfizer Inc. [Member] - USD ($)
$ in Millions
12 Months Ended 60 Months Ended
Dec. 03, 2015
Dec. 31, 2016
Dec. 31, 2015
Collaborative Arrangements and Non-collaborative Arrangement Transactions [Line Items]      
Milestone received under the collaboration agreement     $ 4.2
Amount received from settlement of the Pfizer agreement $ 3.8    
Royalties earned from sale   $ 0.4