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Net Loss Per Share of Common Stock (Tables)

9 Months Ended

Sep. 30, 2017

Earnings Per Share [Abstract]

Computation of Basic and Diluted Loss Per Share

The following table sets forth the computation of basic and diluted loss per share for common stockholders:

	Three Months Ended								Nine Months Ended
	September 30,								September 30,
	2017				2016				2017				2016
Net loss	$	(11,260,575	)		$	(8,423,289	)		$	(31,685,295	)		$	(21,641,308	)
Weighted average shares of    common stock outstanding		40,880,359				34,806,263				37,676,686				30,393,293
Net loss per share of common    stock – basic and diluted	$	(0.28	)		$	(0.24	)		$	(0.84	)		$	(0.71	)

Securities Excluded from Calculation of Weighted Average Shares Outstanding as their Effect is Antidilutive

The following securities outstanding at September 30, 2017 and 2016 have been excluded from the calculation of weighted average shares outstanding as their effect on the calculation of loss per share is antidilutive:

	September 30,
	2017				2016
Common stock options		3,997,650				3,569,298
Restricted stock units		194,600			-
Common stock warrants		40,790				2,472,400

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- References

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- Definition

Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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