Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets
Cash and cash equivalents	$ 122,162	$ 43,777
Marketable securities, short-term	72,075
Grant receivable		109
Prepaid expenses and other current assets	4,424	543
Total current assets	198,661	44,429
Marketable securities, long-term	31,619
Property and equipment, net	36
Other assets	14
Total assets	230,330	44,429
Current liabilities
Accounts payable	1,088	531
Accrued expenses and other current liabilities	4,059	423
Preferred stock tranche rights liability		5,033
Preferred stock warrant liability		380
Total liabilities	5,147	6,367
Convertible Preferred Stock, Issued		56,653
Stockholders' equity (deficit)
Preferred stock, $0.0001 par value; 10,000,000 shares authorized and no shares issued and outstanding as of December 31, 2021; no shares authorized, issued and outstanding as of December 31, 2020
Common stock, $0.0001 par value; 300,000,000 shares authorized and 40,473,270 shares issued and outstanding as of December 31, 2021; 50,500,000 shares authorized and 419,124 shares issued and outstanding as of December 31, 2020	4
Additional paid-in capital	352,981	8,374
Accumulated deficit	(127,571)	(26,965)
Accumulated other comprehensive loss	(231)
Total stockholders' equity (deficit)	225,183	(18,591)
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	$ 230,330	44,429
Series A Convertible Preferred Stock [Member]
Current liabilities
Convertible Preferred Stock, Issued		1,067
Series A-1 Convertible Preferred Stock [Member]
Current liabilities
Convertible Preferred Stock, Issued		16,333
Series B Convertible Preferred Stock [Member]
Current liabilities
Convertible Preferred Stock, Issued		$ 39,253