Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 23,800	$ 22,353
Short-term investments	27,826	80,400
Prepaid expenses and other current assets	2,818	2,068
Total current assets	54,444	104,821
Property and equipment, net	1,613	2,043
Operating lease right-of-use assets	20,707	33,233
Restricted cash	1,992	1,392
Other assets		1,111
Total assets	78,756	142,600
Current liabilities:
Accounts payable	2,292	3,131
Restructuring liability	4,855
Accrued expenses and other current liabilities	3,197	9,374
Operating lease liabilities	4,003	5,434
Deferred revenue	607	1,658
Total current liabilities	14,954	19,597
Operating lease liabilities, net of current portion	31,321	21,447
Deferred revenue, net of current portion	11,862	12,136
Total liabilities	58,137	53,180
Commitments and contingencies (Note 13)
Stockholders’ equity:
Preferred stock, $0.001 par value, 10,000,000 shares authorized at September 30, 2024 and December 31, 2023; no shares issued and outstanding at September 30, 2024 and December 31, 2023
Common stock, $0.001 par value; 200,000,000 shares authorized at September 30, 2024 and December 31, 2023; 65,456,735 and 57,214,550 shares issued and outstanding at September 30, 2024 and December 31, 2023, respectively	65	57
Additional paid-in capital	414,345	400,685
Accumulated other comprehensive income, net of tax	20	33
Accumulated deficit	(393,811)	(311,355)
Total stockholders’ equity	20,619	89,420
Total liabilities and stockholders’ equity	$ 78,756	$ 142,600