CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 73,847,000	$ 75,536,000
Marketable securities	189,631,000	0
Prepaid expenses and other current assets	5,128,000	2,217,000
Total current assets	268,606,000	77,753,000
Property and equipment, net	806,000	890,000
Operating lease right-of-use assets	398,000	626,000
Deferred offering costs	563,000	3,975,000
Restricted cash	54,000	54,000
Other long-term assets	3,614,000	0
Total assets	274,041,000	83,298,000
Current liabilities:
Accounts payable	1,493,000	3,438,000
Accrued expenses and other current liabilities	10,586,000	6,277,000
Total current liabilities	12,079,000	9,715,000
Long-term liabilities	214,000	659,000
Total liabilities	12,293,000	10,374,000
Commitments and contingencies (Note 9):
Preferred stock, value
Stockholders' equity (deficit):
Preferred stock, value
Common stock, par value $0.001 and $0.0001 at September 30, 2023 and December 31, 2022, respectively; authorized shares - 100,000,000 and 26,264,364 at September 30, 2023 and December 31, 2022, respectively; issued and outstanding shares - 41,204,973 and 3,570,019 at September 30, 2023 and December 31, 2022, respectively	41,000	1,000
Additional paid-in capital	396,932,000	6,038,000
Accumulated other comprehensive loss	(147,000)	0
Accumulated deficit	(135,078,000)	(82,864,000)
Total stockholders' equity (deficit)	261,748,000	(76,825,000)
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	274,041,000	83,298,000
Convertible Preferred Stock
Current liabilities:
Preferred stock, value	0	149,749,000
Stockholders' equity (deficit):
Preferred stock, value	$ 0	$ 149,749,000