Prepaid Assets and Accrued Expenses

6 Months Ended

Jun. 30, 2022

Prepaid Assets And Accrued Expenses [Abstract]

Prepaid Assets And Accrued Expenses

5. Prepaid Assets and Accrued Expenses

Prepaid assets include $13.8 million and $12.0 million of prepaid research and development costs as of June 30, 2022 and December 31, 2021, respectively.

Accrued expenses are as follows (in thousands):

	June 30,		December 31,
	2022		2021
Accrued research and development	$	39,006	$	35,217
Accrued cost of research collaboration		—		25,000
Accrued license fee		—		5,000
Accrued royalties		1,042		—
Accrued payroll liabilities		22,182		25,212
Other		27,189		12,810
Total	$	89,419	$	103,239