Accrued Expenses and Other Liabilities (Tables)

12 Months Ended

Dec. 31, 2019

Payables and Accruals [Abstract]

Schedule of Accrued Liabilities

Accrued expenses and other liabilities consisted of the following (in thousands):

	December 31,
	2019		2018
Compensation and benefits	$	6,568	$	3,296
Research and development costs	10,449		9,362
UCLB milestone	663		638
Professional fees	2,611		4,130
Deferred rent	0		561
Corporate tax	391		620
Other liabilities	716		447
Total accrued expenses and other liabilities	$	21,398	$	19,054