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ACCRUED EXPENSES
 12 Months Ended
Dec. 31, 2022
Payables and Accruals [Abstract]  
ACCRUED EXPENSES ACCRUED EXPENSES
The following table sets forth the composition of accrued expenses as of December 31, 2022 and 2021 (in thousands):
 December 31,
20222021
Research and development$40 $1,841 
Payroll-related expenses1,404 2,967 
Restructuring charge related5,733 1,497 
Professional fees301 597 
Legal expenses, including the preliminary securities litigation settlement21,919 1,344 
Other239 9 
Total Accrued Expenses
$29,636 $8,255