Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 274,735	$ 8,080
Restricted cash	1,472
Prepaid expenses and other current assets	2,466	23
Total current assets	278,673	8,103
Property and equipment, net	1,007	1,103
Operating lease right-of-use assets	232	836
Other assets, noncurrent	109	109
Total assets	280,021	10,151
Current liabilities:
Accounts payable	11,951	1,077
Accrued expenses and other current liabilities	6,592	1,997
Operating lease liabilities, current portion	165	615
Total current liabilities	18,708	3,689
Operating lease liabilities, net of current portion		165
Total liabilities	18,708	3,854
Commitments and contingencies (Note 16)
Stockholders' equity (deficit):
Preferred stock, par value $0.001 per share, 10,000,000 and zero shares authorized as of December 31, 2021 and 2020, respectively, zero shares issued and outstanding at December 31, 2021 and 2020
Common stock, $0.001 par value per share; 190,000,000 and 40,300,000 shares authorized as of December 31, 2021 and 2020, respectively; 32,792,867 and 2,177,956 shares issued as of December 31, 2021 and 2020, respectively and 32,222,881 and 1,289,342 shares outstanding at December 31, 2021 and 2020, respectively	32	1
Additional paid-in capital	352,999	97
Accumulated deficit	(91,718)	(15,743)
Total stockholders' equity (deficit)	261,313	(15,645)
Total liabilities, convertible preferred stock and stockholders' equity (deficit)	$ 280,021	10,151
Series A Convertible Preferred Stock
Current liabilities:
Convertible Preferred Stock		$ 21,942