CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 32,616	$ 27,219
Short-term investments	91,202	68,840
Prepaid expenses and other current assets	2,591	2,509
Right-of-use asset, net		53
Total current assets	126,409	98,621
Long-term investments	26,356	3,219
Other assets, long-term	1,043	720
Total assets	153,808	102,560
Current liabilities:
Accounts payable	4,877	2,122
Accrued compensation	2,196	2,168
Accrued liabilities	6,790	2,837
Other current liabilities	973
Operating lease liabilities		53
Options subject to repurchase, short-term	3	6
Total current liabilities	14,839	7,186
Options subject to repurchase, long-term		2
Total liabilities	14,839	7,188
Commitments and contingencies (Note 7)
Stockholders' equity:
Preferred stock, $0.00001 par value; 10,000,000 shares authorized at September 30, 2023 and December 31, 2022; no shares issued and outstanding at September 30, 2023 and December 31, 2022
Common stock, $0.00001 par value; 500,000,000 shares authorized at September 30, 2023 and December 31, 2022; 29,741,445 and 19,402,658 shares issued and outstanding at September 30, 2023 and December 31, 2022, respectively
Additional paid-in capital	276,648	185,469
Accumulated other comprehensive loss	(122)	(374)
Accumulated deficit	(137,557)	(89,723)
Total stockholders' equity	138,969	95,372
Total liabilities and stockholders' equity	$ 153,808	$ 102,560