Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 44,268	$ 119,894
Marketable securities	101,151	55,571
Prepaid expenses and other current assets	3,902	3,197
Total current assets	149,321	178,662
Property and equipment, net	772	2,335
Right-of-use asset	4,779	5,686
Deposits and other assets	2,613	5,409
Total assets	157,485	192,092
Current liabilities:
Accounts payable	1,408	2,066
Accrued expenses and other current liabilities	3,093	8,581
Operating lease liability	3,695	3,558
Total current liabilities	8,196	14,205
Long-term portion of operating lease liability	5,397	7,180
Other long-term liabilities	1,033	950
Total liabilities	14,626	22,335
Commitments and contingencies (Note 8)
Stockholders equity
Preferred stock, $0.001 par value, 10,000,000 shares authorized at June 30, 2024 and December 31, 2023; No shares issued and outstanding at June 30, 2024 or December 31, 2023
Common stock, $0.001 par value, 150,000,000 shares authorized and 48,258,111 shares issued and outstanding at June 30, 2024 and December 31, 2023	48	48
Additional paid-in capital	455,422	452,142
Accumulated other comprehensive loss	(350)	(48)
Accumulated deficit	(312,261)	(282,385)
Total stockholders' equity	142,859	169,757
Total liabilities and stockholders' equity	$ 157,485	$ 192,092