CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 77,965	$ 25,617
Prepaid expenses and other current assets	3,912	3,099
Total current assets	81,877	28,716
Equity method investment	2,600	0
Property and equipment, net	1,370	1,782
Right-of-use asset, operating leases	5,722	6,301
Restricted cash and restricted cash equivalents	647	5,647
Other noncurrent assets	116	4,611
Total assets	92,332	47,057
Current liabilities:
Accounts payable	2,989	3,468
Accrued expenses and other current liabilities	7,479	9,763
CVR liability	2,900	0
Venture debt, current portion	3,097	878
Total current liabilities	16,465	14,109
Lease liability, net of current portion	5,636	6,248
Venture debt, net of current portion	9,556	4,581
Convertible notes	0	38,595
Other noncurrent liabilities	55,000	55,000
Total liabilities	86,657	118,533
Commitments and contingencies (Note 10)
Total convertible preferred stock	0	111,445
Stockholders' deficit:
Common stock, $0.0001 par value; 400,000,000 shares authorized, 12,197,615 and 359,569 shares issued and outstanding at December 31, 2024 2023, respectively	2	1
Additional paid-in capital	240,487	4,159
Accumulated other comprehensive loss	0	0
Accumulated deficit	(234,814)	(187,081)
Total stockholders' equity (deficit)	5,675	(182,921)
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	92,332	47,057
Series A convertible preferred stock [Member]
Current liabilities:
Total convertible preferred stock	0	47,458
Series A-1 convertible preferred stock [Member]
Current liabilities:
Total convertible preferred stock	0	4,132
Series B convertible preferred stock [Member]
Current liabilities:
Total convertible preferred stock	$ 0	$ 59,855