Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 85,269	$ 106,124
Restricted cash	105	197
Prepaid expenses and other current assets	6,766	8,422
Total current assets	92,140	114,743
Other assets	92
Property and equipment, net	74	185
Total assets	92,306	114,928
Current liabilities:
Accounts payable	2,106	622
Accrued expenses and other current liabilities	3,576	5,064
Total current liabilities	5,682	5,686
Term loan, non-current	24,498	14,155
Other long-term liabilities	27	331
Total liabilities	30,207	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 June 30, 2022 and December 31, 2021
Common stock, $0.01 par value, 150,000 shares authorized as of June 30, 2022 and December 31, 2021, 67,716 issued and outstanding as of June 30, 2022 and December 31, 2021	677	677
Additional paid-in capital	386,803	381,966
Accumulated deficit	(325,381)	(287,887)
Total stockholders' equity	62,099	94,756
Total liabilities and stockholders' equity	$ 92,306	$ 114,928