License and Collaboration Agreement (Tables)

6 Months Ended

Jun. 30, 2023

License and Collaboration Agreement.

Schedule of changes in contract assets and liabilities

	Balance at						Balance at
	Beginning of						End of
Six Months Ended June 30, 2023	Period		Additions		Deductions		Period
Contract assets:
Receivable from collaboration partner	$	10	$	41		(12)	$	39
Contract liabilities:
Payable to collaboration partner	$	69	$	11		(70)	$	10

	Balance at						Balance at
	Beginning of						End of
Six Months Ended June 30, 2022	Period		Additions		Deductions		Period
Contract assets:
Receivable from collaboration partner	$	1,566	$	25,165	$	(26,688)	$	43
Contract liabilities:
Deferred revenue	$	1,601	$	25,757	$	(27,358)	$	—
Payable to collaboration partner	$	899	$	30	$	(849)	$	80