Balance Sheet Details - Components of Prepaid Expenses and Other Current Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Prepaid clinical costs	$ 1,892	$ 2,567
Prepaid research and development costs	1,170	2,293
Australian tax incentive receivable	978	937
Prepaid insurance	583	939
Interest receivable	1,272	1,353
Due from Radionetics	99	135
Other	3,287	2,535
Total	$ 9,281	$ 10,759