Net and Comprehensive Loss Per Share Attributable to Common Stockholders

12 Months Ended

Dec. 31, 2019

Net and Comprehensive Loss Per Share Attributable to Common Stockholders

9. Net and Comprehensive Loss per Share Attributable to Common Stockholders

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

	Year Ended December 31,
	2019			2018
Net and comprehensive loss attributable to common stockholders	$	(23,270,514	)	$	(10,396,635	)
Weighted average common shares used in computing net and comprehensive loss per share attributable to common stockholders, basic and diluted		40,588,004			33,930,846
Net and comprehensive loss per share attributable to common stockholders, basic and diluted	$	(0.57	)	$	(0.31	)

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:

	Year Ended December 31,
	2019		2018
Options to purchase common stock		5,335,850		3,351,132
Warrants to purchase common stock		917,562		317,562