BALANCE SHEETS (Parenthetical) - $ / shares	Dec. 31, 2021	Dec. 31, 2020	Sep. 18, 2020	Sep. 17, 2020
Preferred stock
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares outstanding (in shares)	2,218,732	2,218,732
Common stock
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001		$ 0.001
Common stock, shares authorized (in shares)	135,000,000	135,000,000	135,000,000
Common stock, shares outstanding (in shares)	77,341,921	45,908,779