Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash	$ 261,357	$ 279,082
Restricted cash	1,061	1,642
Prepaid expenses and other current assets	7,681	5,829
Total current assets	270,099	286,553
Right-of-use assets - operating leases	3,309
Property and equipment, net	3,237	1,076
Total assets	276,645	287,629
Current liabilities:
Accounts payable	6,019	3,899
Accrued and other current liabilities	7,448	4,757
Current portion of operating lease liabilities	530
Deferred revenue		582
Total current liabilities	13,997	9,238
Operating lease liabilities, net of current portion	2,964
Other noncurrent liabilities	144	171
Total liabilities	17,105	9,409
Commitments and contingencies (Note 2)
Stockholders' equity (deficit):
Common stock, $0.0001 par value; 500,000,000 shares authorized at March 31, 2022 and December 31, 2021; 39,724,867 and 39,429,103 shares issued as of March 31, 2022 and December 31, 2021, respectively; 39,524,526 and 39,175,279 shares outstanding as of March 31, 2022 and December 31, 2021, respectively	5	5
Additional paid-in capital	377,137	372,284
Accumulated deficit	(117,602)	(94,069)
Total stockholders' equity (deficit)	259,540	278,220
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	$ 276,645	$ 287,629