Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 153,880	$ 340,396
Marketable securities	422,623	270,331
Prepaid and other assets	18,031	12,215
Total current assets	594,534	622,942
Property and equipment, net	7,776	6,254
Restricted cash	295	251
Right-of-use assets	7,755	8,755
Other assets	424	598
Total assets	610,784	638,800
Current liabilities:
Accounts payable and accrued liabilities	31,756	32,572
Accrued compensation	6,527	11,190
Lease liabilities, current portion	3,151	3,105
Deferred revenue, current portion	3,810	5,041
Total current liabilities	45,244	51,908
Lease liabilities, net of current portion	6,362	7,582
Deferred revenue, net of current portion	0	1,235
Total liabilities	51,606	60,725
Commitments and contingencies (Note 7)
Stockholders’ equity:
Common stock, $0.0001 par value; authorized shares – 400,000; issued and outstanding shares – 74,070 and 69,768 at June 30, 2023 and December 31, 2022, respectively	7	7
Additional paid-in capital	1,019,800	939,310
Accumulated other comprehensive loss	(2,666)	(2,698)
Accumulated deficit	(457,963)	(358,544)
Total stockholders’ equity	559,178	578,075
Total liabilities and stockholders’ equity	$ 610,784	$ 638,800