Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Accrued Expenses
Payroll and related costs	$ 1,467	$ 477
Clinical and nonclinical trial expenses	2,289	2,909
Professional and consulting fees	1,216	591
Restructuring and other costs (Note 12)	2,660
Acquisition-related costs	2,826
Other	233	111
Total accrued expenses	$ 10,691	$ 4,088	[1]

[1] The condensed consolidated balance sheet at December 31, 2021 has been derived from the audited financial statements at that date.