Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 16,903	$ 25,030
Short-term investments	5,420	17,466
Restricted cash	0	146
Accounts receivable	0	1,482
Inventories	0	10,655
Other current assets	2,449	10,115
Total current assets	24,772	64,894
Property and equipment, net	176	1,294
Operating lease assets	11,027	39,807
Other assets	927	3,103
Total assets	36,902	109,098
Current liabilities:
Accounts payable	1,762	4,367
Accrued compensation	2,552	6,589
Accrued research and development expenses	971	7,984
Deferred revenue	1,607	95,092
Other current liabilities	7,671	20,542
Total current liabilities	14,563	134,574
Deferred revenue - long-term	0	0
Operating lease liabilities - long-term	15,426	29,914
Liability related to the sale of future revenues - long-term	40,222	38,624
Other long-term liabilities	1,732	3,269
Total liabilities	71,943	206,381
Commitments and contingencies (Note 9)
Stockholders' equity (deficit):
Common stock - $0.0001 par value, 500,000 shares authorized as of June 30, 2025 and December 31, 2024; 6,978 and 5,859 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	1	1
Additional paid-in capital	1,979,114	1,957,261
Accumulated other comprehensive (loss) income	0	8
Accumulated deficit	(2,014,156)	(2,054,553)
Total stockholders' equity (deficit)	(35,041)	(97,283)
Total liabilities and stockholders' equity (deficit)	$ 36,902	$ 109,098