Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 15,799	$ 22,353
Short-term investments	71,319	80,400
Prepaid expenses and other current assets	2,325	2,068
Total current assets	89,443	104,821
Property and equipment, net	3,783	2,043
Operating lease right-of-use assets	45,626	33,233
Restricted cash	1,992	1,392
Other assets	683	1,111
Total assets	141,527	142,600
Current liabilities:
Accounts payable	2,844	3,131
Accrued expenses and other current liabilities	10,057	9,374
Operating lease liabilities	4,504	5,434
Deferred revenue	1,319	1,658
Total current liabilities	18,724	19,597
Operating lease liabilities, net of current portion	33,356	21,447
Deferred revenue, net of current portion	11,943	12,136
Total liabilities	64,023	53,180
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred stock, $0.001 par value, 10,000,000 shares authorized at March 31, 2024 and December 31, 2023; no shares issued and outstanding at March 31, 2024 and December 31, 2023
Common stock, $0.001 par value; 200,000,000 shares authorized at March 31, 2024 and December 31, 2023; 60,964,775 and 57,214,550 shares issued and outstanding at March 31, 2024 and December 31, 2023, respectively	61	57
Additional paid-in capital	411,225	400,685
Accumulated other comprehensive income, net of tax	25	33
Accumulated deficit	(333,807)	(311,355)
Total stockholders’ equity	77,504	89,420
Total liabilities and stockholders’ equity	$ 141,527	$ 142,600