Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Prepaid Expense and Other Assets, Current [Abstract]
Contract research and development costs	$ 1,103	$ 1,046
Research and development tax credit receivable	836	1,438
Prepaid insurance costs	590	774
Value-added tax refund receivable	45	280
Other	90	85
Total prepaid expenses and other current assets	$ 2,664	$ 3,623