Tax and tax incentive receivable

6 Months Ended

Jun. 30, 2021

Receivables [Abstract]

Tax and tax incentive receivable

Tax and tax incentive receivables

Tax and tax incentive receivables consisted of the following (in thousands):

	June 30,		December 31,
	2021		2020
Research and development tax credit receivable - U.K.	$	14,108	$	8,202
Tax receivable - U.S.	—		58
Total tax receivable	$	14,108	$	8,260