Net Loss Per Share (Tables)

3 Months Ended

Mar. 31, 2021

Basic and Diluted Net Loss Per Share Attributable to Common Stockholders

Basic and diluted net loss per share attributable to common stockholders was calculated as follows (in thousands, except share and per share data):

	THREE MONTHS ENDED MARCH 31,
	2021			2020
Numerator:
Net loss	$	(10,308	)	$	(22,502	)
Cumulative dividends on redeemable convertible preferred stock		—			(3,419	)
Net loss attributable to common stockholders	$	(10,308	)	$	(25,921	)
Denominator:
Weighted average common shares outstanding, basic and diluted		20,333,398			3,001,660
Net loss per share attributable to common stockholders, basic and diluted	$	(0.51	)	$	(8.64	)

Anti-dilutive Securities Excluded from Calculation of Diluted Net Loss Per Share Attributable to Common Stockholders

The following common stock equivalents, presented based on amounts outstanding at each period end, were excluded from the calculation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have been anti-dilutive:

	THREE MONTHS ENDED MARCH 31,
	2021		2020
Series A redeemable convertible preferred stock		—		4,247,153
Series B redeemable convertible preferred stock		—		2,633,138
Series C redeemable convertible preferred stock		—		2,584,633
Outstanding stock options		5,147,946		4,246,608
		5,147,946		13,711,532