Stockholders' Equity (Deficit) - Summary of Activity Unvested Common Stock Issued Pursuant Early Exercise of Stock Options Awards (Details) - shares	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Equity [Abstract]
Unvested at beginning of year	54,703	70,266
Early exercised stock options during the period		23,540
Early exercised stock options repurchased during the period		(4,480)
Number of shares vested	(37,097)	(34,623)
Unvested at end of year	17,606	54,703