Collaborative Arrangements and Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 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 (in thousands):

	Three months ended June 30, 2020				Three months ended June 30, 2019
	Point in Time		Over Time		Point in Time		Over Time
Contract Revenue from Healios
License fee revenue	$	—	$	—	$	1,624	$	—
Product supply revenue	77		—		905		—
Service revenue	—		—		—		1,664
Total disaggregated revenues	$	77	$	—	$	2,529	$	1,664

	Six months ended June 30, 2020				Six months ended June 30, 2019
	Point in Time		Over Time		Point in Time		Over Time
Contract Revenue from Healios
License fee revenue	$	—	$	—	$	1,624	$	—
Product supply revenue	77		—		1,871		—
Service revenue	—		—		—		2,139
Total disaggregated revenues	$	77	$	—	$	3,495	$	2,139