Net Loss Per Share Attributable to Common Stockholders

3 Months Ended

Mar. 31, 2018

9. Net Loss per Share Attributable to Common Stockholders

The following table sets forth the computation of the Company’s basic and diluted net loss per share attributable to common stockholders for the periods presented:

	Three Months Ended March 31,
	2018			2017
Net and comprehensive loss	$	(7,425,532	)	$	(4,995,703	)
Adjustment of redeemable convertible preferred stock to redemption value		—			(943,297	)
Net loss attributable to common stockholders	$	(7,425,532	)	$	(5,939,000	)
Net loss per share attributable to common stockholders, basic and diluted	$	(0.27	)	$	(1.06	)
Weighted average common shares used in computing net loss per share attributable to common stockholders, basic and diluted		27,045,509			5,605,151

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 because including them would have had an anti-dilutive effect:

	Three Months Ended March 31,
	2018		2017
Options to purchase common stock		1,895,307		924,706
Unvested restricted stock		80,230		196,419
Warrants to purchase common stock		317,562		317,562