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Accrued expenses and other current liabilities - Schedule of Other Accrued Expenses and Other Current Liabilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2023
Dec. 31, 2022
Payables and Accruals [Abstract]    
Payroll and related costs $ 332 $ 8,748
Accrued contract termination costs 1,632 4,700
Research and development expenses   978
Professional fees 273 415
Operating lease liabilities 1,464 1,390
Prepaid royalty 0 1,011
Other accrued expenses and current liabilities 3,227 1,604
Accrued expenses and other current liabilities $ 6,928 $ 18,846