Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 17,152	$ 51,426
Short-term investments	332,560	275,590
Prepaid expenses and other current assets	5,483	5,423
Total current assets	355,195	332,439
Restricted cash	816	816
Property and equipment, net	7,317	7,086
Operating lease right-of-use assets	21,208	22,279
Other long-term assets	2,314	1,390
Total assets	386,850	364,010
Current liabilities:
Accounts payable	2,505	2,159
Accrued liabilities	6,831	8,010
Current portion of deferred revenue	3,648	5,406
Unvested stock liabilities	25	169
Current portion of operating lease liabilities	1,462	763
Total current liabilities	14,471	16,507
Deferred revenue, net of current portion	0	2,221
Operating lease liabilities, net of current portion	23,431	24,542
Total liabilities	37,902	43,270
Commitments and contingencies (Note 3)
Stockholders’ equity (deficit):
Preferred stock, $0.001 par value; authorized shares -10,000,000 at September 30, 2023 and December 31, 2022, respectively; no shares issued and outstanding at September 30, 2023 and December 31, 2022
Common stock, $0.001 par value; authorized shares - 200,000,000 at September 30, 2023 and December 31, 2022, respectively; issued shares - 46,168,430 and 41,684,666 at September 30, 2023 and December 31, 2022, respectively; outstanding shares - 46,151,427 and 41,616,260 at September 30, 2023 and December 31, 2022,respectively	46	42
Additional paid-in capital	507,082	432,703
Accumulated other comprehensive loss	(1,175)	(1,535)
Accumulated deficit	(157,005)	(110,470)
Total stockholders' equity	348,948	320,740
Total liabilities and stockholders' equity	$ 386,850	$ 364,010