XML 29 R20.htm IDEA: XBRL DOCUMENT v3.23.2
Prepaid Expenses and Other Current Assets (Tables)
6 Months Ended
Jun. 30, 2023
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid Expenses and Other Current Assets
Prepaid expenses and other current assets consisted of the following (in thousands):
June 30,December 31,
20232022
UK R&D tax credit$21,589 $13,972 
Prepaid insurance premium1,011 2,818 
Prepaid research and development9,143 28,211 
VAT recoverable1,428 1,652 
Vendor receivable9,795 — 
Other current assets2,150 1,042 
$45,116 $47,695