CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 52,889	$ 76,333
Collaboration receivable, current - related party	49,391	49,152
Other receivables	3,085	1,545
Prepaid expenses and other current assets	1,911	4,178
Total current assets	107,276	131,208
Property and equipment, net	0	2
Operating lease right-of-use assets	3,114	4,155
Collaboration receivable, non-current - related party	0	46,590
Other assets	153	435
Total assets	110,543	182,390
Current liabilities:
Accounts payable	7,306	1,378
Accrued expenses and other current liabilities	17,724	6,557
Operating lease liabilities	1,746	1,718
Income taxes payable	174	387
Deferred Revenue, Current	368	2,132
Deferred revenue, current - related party	21,756	24,981
Total current liabilities	49,074	37,153
Non-current operating lease liabilities	2,551	3,825
Deferred revenue, non-current	12,219	10,825
Deferred revenue, non-current - related party	576	23,606
Other long-term liabilities	0	87
Total liabilities	64,420	75,496
Commitments and contingencies (Note 11)
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized, no shares issued and outstanding as of December 31, 2024 and 2023	0	0
Common stock, $0.001 par value; 120,000,000 shares authorized as of December 31, 2024 and 2023; 54,593,527 shares issued and outstanding as of December 31, 2024 and 52,999,680 shares issued and outstanding as of December 31, 2023	55	53
Additional paid-in capital	505,706	497,913
Accumulated deficit	(459,638)	(391,072)
Total stockholders' equity	46,123	106,894
Total liabilities and stockholders' equity	$ 110,543	$ 182,390