Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 68,802	$ 98,959
Marketable securities	162,073	19,889
Accounts receivable	80,150
Related party collaboration receivable	3,341	257
Prepaid expenses and other current assets	5,318	5,394
Total current assets	319,684	124,499
Property and equipment, net	16,494	17,857
Deposits and other non-current assets	1,593	1,515
Operating lease, right-of-use assets	13,510	15,485
Total assets	351,281	159,356
Current liabilities:
Accounts payable	1,604	2,566
Accrued expenses	16,823	7,816
Other current liabilities	3,200	2,832
Deferred revenue, current	42,881	59,377
Total current liabilities	64,508	72,591
Deferred revenue, non-current	32,359	6,450
Other non-current liabilities	18,094	21,295
Total liabilities	114,961	100,336
Commitments, contingencies, and other liabilities (see note 8)
Stockholders' equity:
Preferred stock, $0.001 par value: 5,000,000 shares authorized; no shares issued and outstanding at December 31, 2023 and 2022
Common stock, $0.001 par value: 120,000,000 shares authorized; 44,038,333 and 38,613,891 shares issued and outstanding at December 31, 2023 and 2022, respectively	44	38
Additional paid-in capital	497,506	452,713
Accumulated other comprehensive loss	(48)	(219)
Accumulated deficit	(261,182)	(393,512)
Total stockholders' equity	236,320	59,020
Total liabilities and stockholders' equity	$ 351,281	$ 159,356