Acquisitions, Collaboration, License and Other Strategic Agreements (Tables)

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Summary of assets acquired and liabilities assumed related to the asset acquisition

A summary of the assets and liabilities acquired in exchange for cash consideration of $60.8 million and $10.0 million that was deemed paid in connection with the cancellation of the convertible note described aboveis presented in the following table (in millions):

Assets:
Cash	$	2.6
Operating lease right-of-use asset	0.8
Property and equipment	1.4
IPR&D	74.9
	$	79.7
Liabilities:
Accrued severance liabilities	$	(1.7	)
Deferred revenue	(6.4		)
Operating lease liability	(0.8		)
	$	(8.9	)