7.    Accrued Expenses

Accrued expenses and other current liabilities consisted of the following (in thousands):

The compensation expense line item in the above table includes both severance and retention costs associated with the Company's recently announced corporate restructuring. The Company recognized restructuring expenses consisting of one-time cash severance payments and other employee-related costs of $6.8 million during the three and nine months ended September 30, 2023. Severance pay and related costs for currently retained employees are estimated to be paid through the second quarter of 2024. The Company recorded these restructuring charges based on each employee’s role to the respective research and development and general and administrative operating expense categories on its condensed consolidated statements of operations and comprehensive loss.