Net Loss Per Share Attributable to Common Stockholders (Tables)

6 Months Ended

Jun. 30, 2017

Net Loss Per Share Attributable to Common Stockholders

Schedule of calculation of basic and diluted net loss per common share

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2017			2016			2017			2016
Net loss attributable to common shareholders	$	(1,805,642	)	$	(3,657,475	)	$	(6,521,000	)	$	(7,641,679	)
Shares used to compute net loss per common share, basic and diluted	14,694,316			10,314,106			14,427,317			9,810,730
Net loss per share attributable to common shareholders, basic and diluted	$	(0.12	)	$	(0.35	)	$	(0.45	)	$	(0.78	)

Schedule of common stock equivalents excluded from the calculation of diluted net loss per common share

	June 30,	June 30,
	2017	2016
Options issued and outstanding	2,440,851	1,464,265
Warrants to purchase common stock	6,339,792	748,872
Restricted stock units	20,789	20,789
Total	8,801,432	2,233,926