Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 42,418	$ 60,652
Short-term investments	1,979	65,039
Prepaid expenses and other current assets	3,994	5,609
Total current assets	48,391	131,300
Operating lease right-of-use assets	33,529	33,611
Property and equipment, net	10,811	11,607
Restricted cash	1,976	1,976
Deposit and other long-term assets	1,472	1,347
Total assets	96,179	179,841
Current liabilities:
Accounts payable	4,748	1,610
Accrued expenses and other current liabilities	19,245	15,620
Lease liability, current portion	7,363	5,668
Total current liabilities	31,356	22,898
Lease liability, net of current portion	84,858	86,037
Other non-current liabilities	184	192
Total liabilities	116,398	109,127
Commitments and contingencies (Note 4)
Stockholders’ (deficit) equity:
Preferred stock	0	0
Common stock	2	2
Additional paid-in capital	1,143,391	1,138,070
Accumulated other comprehensive loss	(451)	(407)
Accumulated deficit	(1,163,161)	(1,066,951)
Total stockholders’ (deficit) equity	(20,219)	70,714
Total liabilities and stockholders’ (deficit) equity	$ 96,179	$ 179,841