License and Collaboration Agreement (Tables)

12 Months Ended

Dec. 31, 2021

License and Collaboration Agreement.

Schedule of changes in contract assets and liabilities

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

	Balance at						Balance at
	Beginning of						End of
Year Ended December 31, 2021	Period		Additions		Deductions		Period
Contract assets:
Receivable from collaboration partner - related party	$	2,426	$	14,056	$	(14,916)	$	1,566
Contract liabilities:
Deferred revenue - related party	$	14,477	$	25,141	$	(38,017)	$	1,601
Payable to collaboration partner - related party	$	2,732	$	10,225	$	(12,058)	$	899
	Balance at						Balance at
	Beginning of						End of
Year Ended December 31, 2020	Period		Additions		Deductions		Period
Contract assets:
Receivable from collaboration partner - related party	$	5,955	$	6,221	$	(9,750)	$	2,426
Contract asset - related party	$	800	$	342	$	(1,142)	$	—
Contract liabilities:
Deferred revenue - related party	$	41,530	$	3,963	$	(31,016)	$	14,477
Payable to collaboration partner - related party	$	1,262	$	3,800	$	(2,330)	$	2,732