Net and Comprehensive Loss Per Share Attributable to Common Stockholders

3 Months Ended

Mar. 31, 2020

Earnings Per Share [Abstract]

Net and Comprehensive Loss Per Share Attributable to Common Stockholders

8. 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:  

	Three Months Ended March 31,
	2020			2019
Net and comprehensive loss attributable to common    stockholders	$	(3,918,663	)	$	(8,492,825	)
Weighted average common shares used in    computing net and comprehensive loss per share    attributable to common stockholder, basic and diluted		40,588,004			40,588,004
Net and comprehensive loss per share attributable to    common stockholder, basic and diluted	$	(0.10	)	$	(0.21	)

Holders of non-vested stock-based compensation awards do not have voting rights.

The following weighted average common stock equivalents were excluded from the calculation of basic and diluted net and comprehensive 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,
	2020		2019
Options to purchase common stock		4,771,960		5,171,960
Warrants to purchase common stock		600,000		317,562