Condensed Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 137,306	$ 161,405
Prepaid expenses and other current assets	3,871	4,249
Total current assets	141,177	165,654
Property and equipment, net	10,334	11,765
Right-of-use assets	4,368	5,491
Prepaid rent	3,759
Restricted cash	5,037	5,031
Long-term deposits and other assets	779	166
Total assets	165,454	188,107
Current liabilities:
Accounts payable	2,708	1,765
Accrued expenses and other current liabilities	6,159	6,517
Operating lease liability, current portion	1,795	1,651
Deferred revenue, current portion	5,932	11,410
Total current liabilities	16,594	21,343
Deferred revenue, net of current portion	0	1,497
Operating lease liability, net of current portion	3,031	4,392
Long-term debt and accrued interest	29,074
Term loan, non-current	29,074
Other long term liabilities	97	97
Total liabilities	48,796	27,329
Commitments and contingencies (Note 5)
Stockholders' equity:
Additional paid-in capital	256,311	252,933
Accumulated deficit	(139,656)	(92,158)
Total stockholders' deficit	116,658	160,778
Total liabilities and stockholders' equity	165,454	188,107
Voting Common Stock
Stockholders' equity:
Common stock	2	2
Non-voting Common Stock
Stockholders' equity:
Common stock	$ 1	$ 1