License and Collaboration Agreement (Tables)

9 Months Ended

Sep. 30, 2019

License and Collaboration Agreement.

Schedule of changes in contract assets and liabilities

The following tables present changes in the Company’s contract assets and liabilities during the periods presented (in thousands):

	Balance at						Balance at
	Beginning of						End of
Nine Months Ended September 30, 2019	Period		Additions		Deductions		Period
Contract assets:
Receivable from collaboration partner - related party	$	2,042	$	30,882	$	(31,905)	$	1,019
Contract asset - related party	$	2,545	$	926	$	(2,545)	$	926
Contract liabilities:
Deferred revenue - related party	$	8,223	$	36,441	$	(5,986)	$	38,678
Payable to collaboration partner - related party	$	1,061	$	1,226	$	(1,267)	$	1,020

	Balance at						Balance at
	Beginning of						End of
Nine Months Ended September 30, 2018	Period		Additions		Deductions		Period
Contract assets:
Receivable from collaboration partner - related party	$	1,816	$	6,012	$	(3,242)	$	4,586
Contract liabilities:
Deferred revenue - related party	$	31,752	$	4,147	$	(27,929)	$	7,970
Payable to collaboration partner - related party	$	—	$	1,068	$	(304)	$	764