Annual report pursuant to Section 13 and 15(d)

Accrued Expenses

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Accrued Expenses
 12 Months Ended
Dec. 31, 2021
Payables and Accruals [Abstract]  
Accrued Expenses Accrued Expenses
Accrued expenses and other current liabilities consisted of the following (in thousands):
  Years Ended December 31,
  2021 2020
Research and development fees $ 5,682  $ 2,001 
Compensation expense 3,581  2,759 
Accrued accounts payable 2,980  1,220 
Collaboration cost-sharing obligation 1,610  16 
Accrued license obligations 1,541  358 
Lease liabilities 1,049  1,030 
Other current liabilities 393  347 
Total $ 16,836  $ 7,731