Collaborative Arrangements and Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Organization, Consolidation and Presentation of Financial Statements [Abstract]

Disaggregation of Revenue

The following table presents our contract revenues disaggregated by timing of revenue recognition and excludes royalty revenue (in thousands):

	Three months ended March 31, 2020				Three months ended March 31, 2019
	Point in Time		Over Time		Point in Time		Over Time
Contract Revenue from Healios
Product supply revenue	$	—	$	—	$	966	$	—
Service revenue	—		—		—		475
Total disaggregated revenues	$	—	$	—	$	966	$	475