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ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES
3 Months Ended
Mar. 31, 2023
Payables and Accruals [Abstract]  
ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES ACCRUED EXPENSES AND OTHER CURRENT LIABILITIES Accrued expenses and other current liabilities consisted of the following:

March 31,
2023

December 31,
2022
Contracted research services$4,186 $4,713 
Payroll and related expenses1,826 4,648 
Professional and consulting fees881 1,182 
Current portion of operating lease liability2,908 2,841 
Total accrued expenses and other current liabilities$9,801 $13,384