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Accrued Expenses and Other Liabilities (Tables)
3 Months Ended
Mar. 31, 2023
Other Liabilities Disclosure [Abstract]  
Schedule of Accrued Expenses and Other Liabilities
Accrued expenses and other liabilities consisted of the following (in thousands):
March 31,December 31,
20232022
Accrued research and development expense$1,815 $1,684 
Accrued professional expenses803 1,284 
Accrued compensation and benefit costs2,976 5,534 
Payroll tax payable167 
Other liabilities672 656 
$6,267 $9,325