Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 90,390	$ 34,565
Accounts receivable	2,317	2,039
Accounts receivable - related party	252	502
Prepaid expenses and other current assets	1,276	1,826
Total current assets	94,235	38,932
Property and equipment, net	176	562
Operating lease right-of-use assets	6,900	7,801
Restricted cash	688	688
Warrant asset	615	153
Other assets	82	331
Total assets	102,696	48,467
Current liabilities:
Accounts payable	354	306
Accrued and other liabilities	4,191	5,180
Lease liabilities, current portion	1,198	1,829
Total current liabilities	5,743	7,315
Lease liabilities, noncurrent portion	6,316	6,640
Tranche liability	10,903	0
Warrant liabilities	32,620	55,892
Total liabilities	55,582	69,847
Commitments and contingencies (Note 7)
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value, 10,000 shares authorized; no shares issued and outstanding as of June 30, 2025 and December 31, 2024	0	0
Common stock, $0.0001 par value, 500,000 shares authorized as of June 30, 2025 and December 31, 2024; 8,570 and 3,262 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	1	0
Additional paid-in-capital	319,596	263,879
Accumulated deficit	(272,483)	(285,259)
Total stockholders' equity (deficit)	47,114	(21,380)
Total liabilities and stockholders' equity	$ 102,696	$ 48,467