Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 31,905	$ 22,353
Short-term investments	35,593	80,400
Prepaid expenses and other current assets	1,937	2,068
Total current assets	69,435	104,821
Property and equipment, net	1,665	2,043
Operating lease right-of-use assets	21,490	33,233
Restricted cash	1,992	1,392
Other assets		1,111
Total assets	94,582	142,600
Current liabilities:
Accounts payable	4,971	3,131
Restructuring liability	3,127
Accrued expenses and other current liabilities	6,095	9,374
Operating lease liabilities	4,269	5,434
Deferred revenue	814	1,658
Total current liabilities	19,276	19,597
Operating lease liabilities, net of current portion	32,479	21,447
Deferred revenue, net of current portion	11,850	12,136
Total liabilities	63,605	53,180
Commitments and contingencies (Note 13)
Stockholders’ equity:
Preferred stock, $0.001 par value, 10,000,000 shares authorized at June 30, 2024 and December 31, 2023; no shares issued and outstanding at June 30, 2024 and December 31, 2023
Common stock, $0.001 par value; 200,000,000 shares authorized at June 30, 2024 and December 31, 2023; 65,455,735 and 57,214,550 shares issued and outstanding at June 30, 2024 and December 31, 2023, respectively	65	57
Additional paid-in capital	412,854	400,685
Accumulated other comprehensive income (loss), net of tax	(4)	33
Accumulated deficit	(381,938)	(311,355)
Total stockholders’ equity	30,977	89,420
Total liabilities and stockholders’ equity	$ 94,582	$ 142,600