Net Loss Attributable to Common Stockholders Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Schedule of basic and diluted earnings per common share

The following table sets forth the computation of basic and diluted earnings per common share (in thousands, except share and per share data):


	Three months ended September 30,				Nine months ended September 30,
	2021		2020		2021		2020

Numerator
Net loss attributable to common stockholders	$	(20,403)	$	(8,601)	$	(53,992)	$	(29,456)
Cumulative undeclared dividends on Series D convertible preferred stock	—		(140)		—		(1,735)
Net loss attributable to common stockholders, basic and diluted	$	(20,403)	$	(8,741)	$	(53,992)	$	(31,191)
Denominator
Weighted-average shares used to compute net income per share, basic and diluted	67,213,282		53,596,982		66,428,303		20,041,080
Net loss per share
Net loss per share attributable to common stockholders, basic and diluted	$	(0.30)	$	(0.16)	$	(0.81)	$	(1.56)

Schedule of antidilutive securities excluded from computation of earnings per share

The following weighted-average common stock equivalents were excluded from the calculation of diluted net loss per share attributable to common stockholders for the periods presented as they had an anti-dilutive effect:


	Three months ended September 30,		Nine months ended September 30,
	2021	2020	2021	2020

Convertible preferred stock (on an if-converted basis)	—	—	—	—
Options to purchase common stock	7,080,020	9,818,701	7,080,020	9,818,701
Restricted stock units	—	—	—	—
Restricted shares of common stock related to early exercise of options	520,494	7,344	520,494	7,344
Warrants to purchase Series C convertible preferred stock	—	—	—	—
Total	7,600,514	9,826,045	7,600,514	9,826,045