Common Stock (Tables)

12 Months Ended

Dec. 31, 2021

Stockholders' Equity Note [Abstract]

Shares of Common Stock Reserved for Future Issuance

	DECEMBER 31, 2021		DECEMBER 31, 2020
Common stock reserved for exercises of outstanding stock options issued		4,763,489		4,543,318
Common stock reserved for future issuances		1,573,353		1,288,891
		6,336,842		5,832,209