CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 96,871,000	$ 100,141,000
Marketable securities	215,519,000	153,007,000
Restricted cash	54,000	54,000
Prepaid expenses and other current assets	5,683,000	2,949,000
Contingent value right asset	0	10,000,000
Total current assets	318,127,000	266,151,000
Property and equipment, net	630,000	742,000
Operating lease right-of-use assets	161,000	320,000
Deferred offering costs	563,000	563,000
Other long-term assets	7,562,000	4,091,000
Total assets	327,043,000	271,867,000
Current liabilities:
Accounts payable	1,083,000	532,000
Accrued expenses and other current liabilities	11,822,000	15,362,000
Contingent value right liability	9,200,000	10,000,000
Total current liabilities	22,105,000	25,894,000
Long-term liabilities	6,000	67,000
Total liabilities	22,111,000	25,961,000
Commitments and contingencies (Note 9):
Stockholders' equity (deficit):
Preferred stock, value	0	0
Common stock, par value $0.001; authorized shares - 100,000,000; issued and outstanding shares - 47,173,466 and 41,292,027 at June 30, 2024 and December 31, 2023, respectively	47,000	41,000
Additional paid-in capital	502,160,000	400,172,000
Accumulated other comprehensive loss	(139,000)	141,000
Accumulated deficit	(197,136,000)	(154,448,000)
Total stockholders' equity (deficit)	304,932,000	245,906,000
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	$ 327,043,000	$ 271,867,000