Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Statement of Financial Position [Abstract]
Convertible preferred stock, par value (In USD per share)	$ 0.0001	$ 0.0001
Convertible preferred stock, shares authorized (in shares)	0	48,787,898
Convertible preferred stock, shares issued (in shares)	0	24,385,388
Convertible preferred stock, shares outstanding (in shares)	0	24,385,388
Convertible preferred stock, liquidation preference		$ 166,300,000
Preferred stock, par value (in USD per share)	$ 0.0001	$ 0.0001
Preferred stock, shares authorized (in shares)	10,000,000	0
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in USD per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	300,000,000	65,820,000
Common stock, shares, issued (in shares)	43,677,817	2,879,763
Common stock, shares outstanding (in shares)	43,338,438	2,120,853