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Accrued Expenses and Other Current Liabilities (Tables)
3 Months Ended
Mar. 31, 2022
Payables and Accruals [Abstract]  
Accrued Expenses
Accrued expenses and other current liabilities as of March 31, 2022 and December 31, 2021 were comprised as follows (in thousands):
March 31,
2022
December 31,
2021
Manufacturing
$2,700$3,427
Contract research
1,9402,542
Leasehold improvements1,455
Employee compensation and benefits
1,1482,200
Professional fees
816433
Other
130 163 
Total accrued expenses and other current liabilities
$8,189$8,765