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Balance Sheet Components
9 Months Ended
Sep. 30, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Balance Sheet Components Balance Sheet Components
Prepaid expenses and other current assets consist of the following (amounts in thousands):
September 30,
2023
December 31,
2022
Research and development expenses$15,057 $11,321 
Insurance related expenses2,805 2,788 
Value added tax receivable1,932 2,557 
Other2,859 3,271 
$22,653 $19,937 
Accrued expenses and other current liabilities consist of the following (amounts in thousands):
September 30,
2023
December 31,
2022
Research and development expenses$16,509 $10,795 
Personnel related expenses5,237 7,264 
Professional fees1,719 4,171 
Income tax liability— 1,582 
Operating lease liabilities482 — 
Other159 690 
$24,106 $24,502 
Property and equipment, net consisted of the following (amounts in thousands):
September 30,
2023
December 31,
2022
Computer equipment$706 $442 
Office furniture724 — 
Other
44 890 
Property and equipment, at cost1,474 1,332 
Less: Accumulated depreciation(372)(164)
Property and equipment, net$1,102 $1,168 

The following table provides a reconciliation of current period changes, net of applicable income taxes, for unrealized gains on available for sale securities presented in accumulated other comprehensive income (amounts in thousands):
Three Months Ended
September 30, 2023
Beginning balance
$783 
Current period increase in fair value, net of tax of $0.3 million
999 
Reclassifications to net loss, net of tax of $0.2 million
(746)
Ending balance
$1,036