Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 146,284	$ 79,400
Prepaid expenses and other current assets	3,140	1,386
Total current assets	149,424	80,786
Property and equipment, net	38	56
Other assets, net	32	65
Total assets	149,494	80,907
Current liabilities:
Accounts payable	5,648	5,679
Accrued expenses	3,141	1,106
Total current liabilities	8,789	6,785
Non-current liabilities:
Restricted stock repurchase liability	8	15
Total liabilities	8,797	6,800
Commitments and contingencies
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of December 31, 2021; no shares issued or outstanding as of December 31, 2021 and 2020, respectively
Common stock, $0.0001 par value; 500,000,000 and 86,000,000 shares authorized as of December 31, 2021 and 2020, respectively; 23,225,637 and 836,177 issued as of December 31, 2021 and 2020, respectively; 23,205,915 and 800,679 outstanding as of December 31, 2021 and 2020, respectively	2
Additional paid-in capital	195,881	66
Accumulated deficit	(55,186)	(23,147)
Total stockholders' equity (deficit)	140,697	(23,081)
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	$ 149,494	80,907
Series A Convertible Preferred Stock [Member]
Non-current liabilities:
Convertible preferred stock		32,373
Series B Convertible Preferred Stock [Member]
Non-current liabilities:
Convertible preferred stock		$ 64,815