License and Collaboration Agreement (Tables)

6 Months Ended

Jun. 30, 2022

Lilly License and Collaboration Agreement

License and Collaboration Agreement

Schedule of the changes in the total contract liability (deferred revenue) balances related to the Company's license and collaboration agreements

The changes in the total contract liability (deferred revenue) balances related to the Company’s license and collaboration agreements with Lilly were as follows (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Deferred revenues at beginning of period	$	19,206	$	28,859	$	22,367	$	31,777
Revenues deferred during the period		—		—		—		—
Revenues recognized during the period		(2,883)		(2,630)		(6,044)		(5,548)
Deferred revenues at end of period	$	16,323	$	26,229	$	16,323	$	26,229