Condensed Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 66,584	$ 106,124
Restricted cash	179	197
Prepaid expenses and other current assets	7,187	8,422
Total current assets	73,950	114,743
Other assets	2,219
Property and equipment, net	36	185
Total assets	76,205	114,928
Current liabilities:
Accounts payable	474	622
Accrued expenses and other current liabilities	2,220	5,064
Total current liabilities	2,694	5,686
Term loan, non-current	24,709	14,155
Other long-term liabilities	10	331
Total liabilities	27,413	20,172
Commitments and contingencies (see Note 12)
Stockholders' equity:
Preferred stock, $0.01 par value, 10,000 shares authorized and no shares issued and outstanding as of September 30, 2022 and December 31, 2021
Common stock, $0.01 par value, 150,000 shares authorized as of September 30, 2022 and December 31, 2021, 67,716 issued and outstanding as of September 30, 2022 and December 31, 2021	677	677
Additional paid-in capital	388,799	381,966
Accumulated deficit	(340,684)	(287,887)
Total stockholders' equity	48,792	94,756
Total liabilities and stockholders' equity	$ 76,205	$ 114,928