Balance Sheets - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 136,627,000	$ 4,503,000
restricted cash, current	223,000
Prepaid expenses and other current assets	3,250,000	562,000
Total current assets	140,100,000	5,065,000
Property and equipment, net	0	294,000
restricted cash, non current	100,000	323,000
Deferred offering costs	0	2,637,000
Other assets	237,000
Total assets	140,437,000	8,319,000
Current liabilities:
Accounts payable	2,950,000	2,377,000
Accrued expenses and other current liabilities	6,884,000	5,810,000
Term loan, current portion	5,000,000	5,000,000
Convertible notes	0	11,689,000
Total current liabilities	14,834,000	24,876,000
Warrant liability	0	76,000
Other liabilities	358,000	277,000
Term loan, net of current portion and discount	404,000	4,951,000
Total liabilities	15,596,000	30,180,000
Stockholders' equity (deficit):
Preferred stock, $0.0001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of December 31, 2021 and 2020	0	0
Common stock, $0.0001 par value; 250,000,000 shares authorized; 43,208,159 and 15,565,380 shares issued and outstanding as of December 31, 2021 and 2020, respectively	4,000	2,000
Additional paid-in capital	309,527,000	90,958,000
Accumulated deficit	(184,690,000)	(112,821,000)
Total stockholders’ equity (deficit)	124,841,000	(21,861,000)
Total liabilities and stockholders’ equity (deficit)	$ 140,437,000	$ 8,319,000