Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 29,754	$ 76,124
Marketable securities, current	246,399	233,155
Accounts receivable	1,473	5,716
Prepaid expenses and other current assets	9,931	10,694
Total current assets	287,557	325,689
Marketable securities, non-current	60,962	142,200
Property and equipment, net	7,400	3,108
Right-of-use asset	70,116	31,945
Restricted cash	3,279	3,279
Other assets	1,526	544
Total assets	430,840	506,765
Current liabilities:
Accounts payable	1,172	4,506
Accrued expenses and other current liabilities	19,769	13,606
Deferred revenue, current	16,618	31,800
Operating lease liability, current	4,700	1,334
Long-term debt, net of debt discount—related party, current	2,287	0
Total current liabilities	44,546	51,246
Deferred revenue, net of current	16,895	24,368
Operating lease liability, net of current	70,970	30,777
Long-term debt, net of debt discount—related party, net of current	9,195	10,768
Total liabilities	141,606	117,159
Commitments and contingencies (See Note 6 and Note 9)
Stockholders’ equity:
Preferred stock, par value of $0.0001 per share; 10,000,000 shares authorized, and no shares issued or outstanding as of December 31, 2022 and 2021, respectively	0	0
Common stock, par value of $0.0001 per share; 150,000,000 shares authorized, and 48,966,216 and 48,688,875 shares issued and outstanding as of December 31, 2022 and 2021, respectively	5	5
Additional paid-in capital	689,256	658,091
Accumulated other comprehensive loss	(4,137)	(775)
Accumulated deficit	(395,890)	(267,715)
Total stockholders’ equity	289,234	389,606
Total liabilities and stockholders’ equity	$ 430,840	$ 506,765