CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 164,322	$ 88,818
Grant receivable	200	200
Accounts receivable, net	2,076
Inventory	1,168
Prepaid expenses and other current assets	6,507	5,943
Total current assets	174,273	94,961
Property and equipment, net	21	32
Right-of-use asset, net	963	1,405
Intangible assets, net	15,636
Restricted cash		241
Other assets	5,371	4,899
Total assets	196,264	101,538
Current liabilities:
Accounts payable	8,047	4,026
Accrued expenses	38,136	25,952
Note payable	467
Vendor financing arrangement, short-term	2,667
Lease liability, short-term	1,044	995
Total current liabilities	50,361	30,973
Non-current liabilities:
Long-term debt	74,274	40,724
Vendor financing arrangement, long-term	6,263
Lease liability, long-term		535
Accrued expenses, long-term	7,553
Warrant liability	21,757	58,199
Total liabilities	160,208	130,431
Convertible preferred stock:
Series B Convertible Preferred Stock, $0.0001 par value; 944 shares designated at June 30, 2025 and December 31, 2024, respectively; 0 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively
Stockholders' equity:
Preferred Stock, $0.0001 par value; 5,000 shares authorized: Series A Convertible Preferred Stock, $0.0001 par value; 0 shares and 1,000 shares designated at June 30, 2025 and December 31, 2024, respectively, 0 shares and 1,000 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively
Common stock, $0.0001 par value; 300,000 shares authorized, 61,523 and 44,784 shares issued and outstanding at June 30, 2025 and December 31, 2024, respectively	6	4
Additional paid-in capital	1,064,324	926,630
Accumulated other comprehensive income	5,290
Accumulated deficit	(1,033,564)	(955,527)
Total stockholders' (deficit) equity	36,056	(28,893)
Total liabilities, convertible preferred stock and stockholders' equity	$ 196,264	$ 101,538