Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 10,733	$ 19,473
Marketable debt securities, short-term	78,211	107,458
Restricted cash	1,472	1,472
Accounts receivable	3,000
Prepaid expenses and other current assets	6,540	4,037
Total current assets	99,956	132,440
Property and equipment, net	8,924	9,899
Intangible assets, net	2,488	2,600
Operating lease right-of-use asset	11,847	12,242
Total assets	123,215	157,181
Current liabilities:
Accounts payable	9,412	4,859
Accrued expenses and other current liabilities	6,698	11,371
Operating lease liabilities, current portion	1,568	1,450
Total current liabilities	17,678	17,680
Operating lease liabilities, net of current portion	17,832	18,650
Financing lease liabilities, net of current portion	62	100
Total liabilities	35,572	36,430
Commitments and contingencies (Note 13)
Stockholders' equity:
Preferred stock, par value $0.001 per share, 10,000,000 shares authorized; zero shares issued and outstanding
Common stock, $0.001 par value per share; 190,000,000 shares authorized; 62,018,135 and 59,967,814 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	62	60
Additional paid-in capital	490,654	484,077
Accumulated other comprehensive (loss) income	(5)	170
Accumulated deficit	(403,068)	(363,556)
Total stockholders' equity	87,643	120,751
Total liabilities and stockholders' equity	$ 123,215	$ 157,181