CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 189,388	$ 200,641
Inventory	109	0
Prepaid expenses and other current assets	20,386	24,240
Total current assets	209,883	224,881
Property and equipment, net	1,901	1,896
Operating lease right-of-use asset	1,827	2,229
Other non-current assets	1,857	175
Total assets	215,468	229,181
Current liabilities:
Accounts payable	1,168	7,953
Accrued expenses	34,003	40,860
Operating lease liability, current	1,134	1,443
Other current liability	40	35
Total current liabilities	36,345	50,291
Operating lease liability, non-current	625	722
Other non-current liability	0	700
Total liabilities	36,970	51,713
Commitments and contingencies (Note 8)
Stockholders' equity (deficit):
Preferred stock (undesignated), $0.0001 par value; 10,000,000 shares authorized and no shares issued and outstanding at March 31, 2024 and December 31, 2023	0	0
Common stock, $0.0001 par value; 1,000,000,000 shares authorized, 119,221,230 shares issued and outstanding at March 31, 2024; 110,160,684 shares issued and outstanding at December 31, 2023	12	11
Additional paid-in capital	954,063	909,539
Accumulated other comprehensive loss	(12)	(13)
Accumulated deficit	(775,565)	(732,069)
Total stockholders' equity	178,498	177,468
Total liabilities, preferred stock and stockholders' equity	$ 215,468	$ 229,181