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Accrued Expenses and Other Liabilities (Tables)
6 Months Ended
Jun. 30, 2023
Other Liabilities Disclosure [Abstract]  
Schedule of Accrued Expenses and Other Liabilities
Accrued expenses and other liabilities consisted of the following (in thousands):
June 30,December 31,
20232022
Accrued research and development expense$2,521 $1,684 
Accrued professional expenses1,807 1,284 
Accrued compensation and benefit costs3,582 5,534 
Payroll tax payable167 
Income taxes payable
72 — 
Other liabilities628 656 
$8,617 $9,325