License and Collaboration Agreement (Tables)

6 Months Ended

Jun. 30, 2020

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
Six Months Ended June 30, 2020	Period		Additions		Deductions		Period
Contract assets:
Receivable from collaboration partner - related party	$	5,955	$	4,202	$	(7,160)	$	2,997
Contract asset - related party	$	800	$	342	$	(1,142)	$	—
Contract liabilities:
Deferred revenue - related party	$	41,530	$	2,977	$	(10,493)	$	34,014
Payable to collaboration partner - related party	$	1,262	$	1,040	$	(1,299)	$	1,003
	Balance at						Balance at
	Beginning of						End of
Six Months Ended June 30, 2019	Period		Additions		Deductions		Period
Contract assets:
Receivable from collaboration partner - related party	$	2,042	$	29,881	$	(27,034)	$	4,889
Contract asset - related party	$	2,545	$	—	$	(2,545)	$	—
Contract liabilities:
Deferred revenue - related party	$	8,223	$	34,526	$	(1,182)	$	41,567
Payable to collaboration partner - related party	$	1,061	$	625	$	(876)	$	810