Net Loss per Share (Tables)

12 Months Ended

Dec. 31, 2021

Earnings Per Share [Abstract]

Calculation of Basic and Diluted Net Loss per Share

The following table sets forth the calculation of basic and diluted net loss per share during the periods presented (in thousands, except share and per share data):

	Year Ended December 31,
	2021			2020			2019
Numerator:
Net loss	$	(54,630	)	$	(41,742	)	$	(35,087	)
Denominator:
Weighted-average shares of common stock outstanding		52,759,335			44,004,190			19,083,826
Net loss per share, basic and diluted	$	(1.04	)	$	(0.95	)	$	(1.84	)

Anti-dilutive Outstanding Shares of Common Stock Equivalents Excluded from Computation of Diluted Net Loss per Share

The following outstanding shares of common stock equivalents were excluded from the computation of the diluted net loss per share for the periods presented because their effect would have been anti-dilutive:

	Year Ended December 31,
	2021		2020		2019
Options to purchase common stock		6,945,184		4,489,122		3,107,066
Common stock subject to future vesting		—		8,859		30,027
Total		6,945,184		4,497,981		3,137,093