Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 42,588	$ 58,212
Marketable securities	171,523	182,809
Unbilled accounts receivable	0	2,096
Prepaid expenses and other current assets	5,262	6,806
Total current assets	219,373	249,923
Property and equipment, net	3,269	3,900
Operating lease right-of-use assets	4,979	5,684
Restricted cash	1,205	1,201
Other assets	12	10
Total assets	228,838	260,718
Current liabilities:
Accounts payable	1,751	1,164
Accrued expenses and other current liabilities	4,941	7,694
Operating Lease Liability, current	2,293	2,186
Total current liabilities	8,985	11,044
Operating lease liability, excluding current portion	5,278	6,443
Other liabilities, excluding current portion	197	197
Total liabilities	14,460	17,684
Commitments and contingencies (Note 12)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.001 par value; 200,000,000 shares authorized; 54,091,588 and 53,968,303 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	54	54
Additional paid-in capital	768,591	762,248
Accumulated other comprehensive gain	82	130
Accumulated deficit	(554,349)	(519,398)
Total stockholders’ equity	214,378	243,034
Total liabilities and stockholders’ equity	$ 228,838	$ 260,718