Collaboration and Licensing Agreements (Tables)

6 Months Ended

Jun. 30, 2023

Collaboration and Licensing Agreements

Schedule of Deferred Revenue Balances

The following tables present changes in our current and non-current deferred revenue balances during the reporting period, which are all attributable to the 2017 Kyowa Kirin Agreement (in thousands):

Deferred revenue - current	2023		2022
Balance at January 1,	$	4,211	$	—
Increases due to cash received, excluding amounts recognized as revenue during the period	816		—
Increases due to amounts reclassified from non-current, to be recognized in the next twelve months	3,265
Decreases due to revenue recognized in the period for which cash has not been received	(2,333)		—
Balance at June 30,	$	5,959	$	—

Deferred revenue - non-current	2023		2022
Balance at January 1,	$	9,025	$	4,727
Increases due to cash received during the period	3,478		3,829
Increases to amounts invoiced, for which cash has not yet been received	—		3,865
Decreases due to amounts reclassified as current, to be recognized in the next twelve months	(3,265)		—
Balance at June 30,	$	9,238	$	12,421