Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 52,589	$ 146,284
Marketable securities, available for sale	55,270	0
Prepaid expenses and other current assets	2,215	3,140
Total current assets	110,074	149,424
Property and equipment, net	108	38
Other non-current assets	1,310	32
Total assets	111,492	149,494
Current liabilities:
Accounts payable	5,665	5,648
Accrued expenses	9,435	3,141
Total current liabilities	15,100	8,789
Non-current liabilities:
Long-term debt, net of discount	29,268	0
Restricted stock repurchase liability	3	8
Total liabilities	44,371	8,797
Commitments and contingencies (see note 12)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of September 30, 2022 and December 31, 2021; no shares issued or outstanding as of September 30, 2022 and December 31, 2021, respectively	0	0
Common stock, $0.0001 par value; 500,000,000 shares authorized as of September 30, 2022 and December 31, 2021, respectively; 23,308,685 and 23,225,637 issued as of September 30, 2022 and December 31, 2021, respectively; 23,300,796 and 23,205,915 outstanding as of September 30, 2022 and December 31, 2021, respectively	2	2
Additional paid-in capital	198,632	195,881
Accumulated other comprehensive loss	(258)	0
Treasury stock; 23,868 shares as of September 30, 2022; at cost	31	0
Accumulated deficit	(131,224)	(55,186)
Total stockholders' equity	67,121	140,697
Total liabilities and stockholders' equity	$ 111,492	$ 149,494