Net Loss per Share (Tables)

9 Months Ended

Sep. 30, 2019

Summary of 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 follow:


	Three Months Ended September 30,						Nine Months Ended September 30,
(in thousands, except per share data)	2019		2018		2019		2018
Numerator:
Net loss	$	(17,714)	$	(8,602)	$	(41,970)	$	(22,003)
Accruing dividends on Series A convertible preferred stock	—		(756)		(592)		(2,244)
Adjustment to accumulated deficit in connection with repurchase of Series Seed convertible preferred stock	—		—		—		(22)
Net loss attributable to common stockholders	$	(17,714)	$	(9,358)	$	(42,562)	$	(24,269)
Denominator:
Weighted average common shares outstanding—basic and diluted	14,562		459		9,866		459
Net loss per share attributable to common stockholders— basic and diluted	$	(1.22)	$	(20.39)	$	(4.31)	$	(52.92)

Schedule of Anti-dilutive Securities Excluded from Computation of Diluted Net Loss per Share Attributable to Common Stockholders

The Company excluded the following potential common shares, presented based on amounts outstanding at each period end and adjusted for the Exchange Ratio and Reverse Stock Split, from the computation of diluted net loss per share attributable to common stockholders for the periods indicated because including them would have had an anti-dilutive effect:


	Three Months Ended September 30,			Nine Months Ended September 30,
	2019	2018	2019	2018
Options to purchase common stock	1,271,141	719,670	1,271,141	719,670
Convertible preferred stock (as converted to common stock)	—	3,808,894	—	3,808,894
Warrants to purchase common stock (excluding prefunded warrants, which are included in basic shares outstanding)	4,360,204	469,061	4,360,204	469,061
	5,631,345	4,997,625	5,631,345	4,997,625