Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 26,804	$ 13,812
Marketable securities	195,796	273,438
Prepaid expenses and other current assets	2,458	3,435
Total current assets	225,058	290,685
Property and equipment, net	1,404	1,474
Operating lease right-of-use assets	2,764	3,246
Other assets	2,771	540
Total assets	231,997	295,945
Current liabilities:
Accounts payable	14	23
Operating lease liabilities, current	1,084	931
Other current liabilities	11,454	8,065
Total current liabilities	12,552	9,019
Operating lease liabilities, net of current portion	1,746	2,358
Total liabilities	14,298	11,377
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of September 30, 2022 and December 31, 2021; no shares issued and outstanding as of September 30, 2022 and December 31, 2021.
Common stock, $0.0001 par value; 490,000,000 shares authorized as of September 30, 2022 and December 31, 2021; 40,455,427 and 40,337,046 shares issued as of September 30, 2022 and December 31, 2021, respectively; 40,084,568 and 39,797,263 shares outstanding as of September 30, 2022 and December 31, 2021, respectively.	3	3
Additional paid-in capital	403,168	388,904
Accumulated other comprehensive loss	(2,674)	(149)
Accumulated deficit	(182,798)	(104,190)
Total stockholders' equity	217,699	284,568
Total liabilities and stockholders' equity	$ 231,997	$ 295,945