Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets
Cash and cash equivalents	$ 31,363	$ 23,706
Short-term investments	147,927	97,046
Prepaid expenses and other current assets	3,842	3,452
Total current assets	183,132	124,204
Property and equipment, net	3,739	2,573
Right-of-use asset, net	754	2,002
Restricted cash	560	560
Other assets	18	555
Total assets	188,203	129,894
Current liabilities
Accounts payable and accrued liabilities	6,066	4,266
Accrued compensation	2,054	2,898
Lease liabilities, current portion	837	2,195
Total current liabilities	8,957	9,359
Commitments and contingencies (Notes 8)
Convertible preferred stock, $0.0001 par value; no shares authorized, issued, or outstanding as of June 30, 2024; 287,446,844 shares authorized, issued, and outstanding as of December 31, 2023; liquidation preference of $252.1 million as of December 31, 2023	0	247,617
Stockholders' equity / (deficit):
Preferred stock, $0.0001 par value; 70,000,000 shares authorized and no shares issued and outstanding as of June 30, 2024; no shares authorized and no shares issued and outstanding as of December 31, 2023	0	0
Common stock, $0.0001 par value; 700,000,000 shares authorized, 22,254,537 shares issued, and 22,254,102 shares outstanding as of June 30, 2024; 402,600,000 shares authorized, 1,248,493 shares issued, and 1,247,012 shares outstanding as of December 31, 2023	2	0
Additional paid-in-capital	347,823	8,987
Accumulated other comprehensive income / (loss)	(64)	40
Accumulated deficit	(168,515)	(136,109)
Total stockholders' equity / (deficit)	179,246	(127,082)
Total liabilities, convertible preferred stock, and stockholders' equity / (deficit)	$ 188,203	$ 129,894