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Subsequent Events	9 Months Ended
Subsequent Events	Sep. 30, 2016
Subsequent Events [Abstract]
Subsequent Events	Subsequent Events In October 2016, we entered into the Seventh Amendment to Lease for our Redwood City facilities. In addition, we entered into a service agreement with a third party supplier for the development of a manufacturing process. (See Note 10, "Commitments and Contingencies" for details).