Prepaid Expenses and Other Current Assets - Schedule of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Prepaid Expense and Other Assets, Current [Abstract]
Clinical trial expenses	$ 1,630	$ 1,630
Insurance premiums	400	890
Professional services	154	15
Other	186	208
Total prepaid expenses and other current assets	$ 2,370	$ 2,743