Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Accrued Expenses
Payroll and related costs	$ 7,159	$ 7,061
Clinical trials and drug development	5,303	5,725
Professional fees	594	1,417
Accrued tax provision		2,445
Third-party commercial expenses	3,708	1,880
Short-term lease liabilities	704	637
Other	860	371
Total accrued expenses	$ 18,328	$ 19,536