Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
CURRENT ASSETS
Cash and cash equivalents	$ 90,592	$ 34,863
Marketable securities	113,007	20,848
Development receivables	163	375
Prepaid expenses and other current assets	2,187	6,172
Total current assets	205,949	62,258
Restricted cash	1,307	1,553
Property and equipment, net	0	3,220
Operating lease right-of-use assets	0	3,430
Other non-current assets	9	683
TOTAL ASSETS	207,265	71,144
CURRENT LIABILITIES
Accounts payable	1,678	677
CVR liability	7,510	0
Operating lease liabilities	0	625
Deferred revenue	0	517
Accrued and other current liabilities	15,861	12,837
Related party accounts payable	19,823	0
Total current liabilities	44,872	14,656
Non-current CVR liability	20,690	0
Non-current operating lease liabilities	0	4,004
Deferred revenue, net of current portion	0	2,179
TOTAL LIABILITIES	65,562	20,839
Commitments and Contingencies (Note 11)
STOCKHOLDERS’ (DEFICIT) EQUITY
Preferred stock, $0.0001 par value; 8,913,659 shares and 10,000,000 authorized as of September 30, 2023 and December 31, 2022; no shares issued and outstanding as of September 30, 2023 and December 31, 2022	0	0
Common stock, $0.0001 par value; 20,000,000 shares authorized as of September 30, 2023 and December 31, 2022; 4,048,687 shares and 2,614,014 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	7	6
Additional paid-in capital	455,957	475,971
Accumulated other comprehensive income (loss)	(132)	(48)
Accumulated deficit	(701,234)	(425,624)
TOTAL STOCKHOLDERS’ (DEFICIT) EQUITY	(245,402)	50,305
TOTAL LIABILITIES, CONVERTIBLE PREFERRED STOCK AND STOCKHOLDERS’ (DEFICIT) EQUITY	207,265	71,144
Series A Non Voting Convertible Preferred Stock
CURRENT LIABILITIES
Series A non-voting convertible preferred stock, $0.0001 par value; 1,086,341 and no shares authorized as of September 30, 2023 and December 31, 2022, respectively; 1,086,339 and no shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	$ 387,105	$ 0