Condensed Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 53,882	$ 146,284
Marketable securities, available for sale	68,660	0
Prepaid expenses and other current assets	1,143	3,140
Total current assets	123,685	149,424
Property and equipment, net	30	38
Other non-current assets	67	32
Total assets	123,782	149,494
Current liabilities:
Accounts payable	1,296	5,648
Accrued expenses	17,798	3,141
Total current liabilities	19,094	8,789
Non-current liabilities:
Restricted stock repurchase liability	5	8
Total liabilities	19,099	8,797
Commitments and contingencies (see note 10)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of June 30, 2022 and December 31, 2021; no shares issued or outstanding as of June 30, 2022 and December 31, 2021, respectively	0	0
Common stock, $0.0001 par value; 500,000,000 shares authorized as of June 30, 2022 and December 31, 2021, respectively; 23,300,896 and 23,225,637 issued as of June 30, 2022 and December 31, 2021, respectively; 23,289,064 and 23,205,915 outstanding as of June 30, 2022 and December 31, 2021, respectively	2	2
Additional paid-in capital	197,368	195,881
Accumulated other comprehensive loss	(275)	0
Treasury stock; 19,095 shares as of June 30, 2022; at cost	25	0
Accumulated deficit	(92,387)	(55,186)
Total stockholders' equity	104,683	140,697
Total liabilities and stockholders' equity	$ 123,782	$ 149,494