Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 18,207	$ 49,046
Prepaid expenses and other current assets	2,406	2,186
Total current assets	20,613	51,232
Property and equipment, net	380	678
Operating lease right-of-use asset, net	5,973	512
Other assets	163	0
Total assets	27,129	52,422
Current liabilities:
Accounts payable and accrued expenses	15,795	13,704
Operating lease liabilities	805	836
Total current liabilities	16,600	14,540
Operating lease liabilities, less current portion	5,240	0
Liability to licensor	19,806	19,806
Warrant liability	2,228	3,811
Total liabilities	43,874	38,157
Commitments and contingencies (Note 6)
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value; 200,000,000 shares authorized at June 30, 2025 and December 31, 2024; 0 shares issued and outstanding at June 30, 2025 and December 31, 2024	0	0
Common stock value	6	6
Additional paid-in capital	503,333	500,298
Accumulated deficit	(520,084)	(486,039)
Total stockholders' equity (deficit)	(16,745)	14,265
Total liabilities and stockholders' equity (deficit)	$ 27,129	$ 52,422