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Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2018

Net Loss Per Share of Common Stock

Computation of basic and diluted net loss per common share

		Three Months Ended June 30,						Six Months Ended June 30,
		2018			2017			2018			2017
Net loss		$	(11,278,763)		$	(8,141,796)		$	(22,791,607)		$	(16,073,109)
Basic and diluted net loss per common share		$	(0.26)		$	(0.30)		$	(0.58)		$	(0.63)
Basic and diluted weighted average common shares outstanding			42,809,840			27,239,902			38,982,965			25,360,167

Potentially dilutive securities outstanding

		Three Months Ended June 30,						Six Months Ended June 30,
		2018			2017			2018			2017
Warrants			—			553,868			—			553,868
Stock options and restricted stock units			3,981,055			3,442,558			3,981,055			3,442,558

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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://fasb.org/us-gaap/role/ref/legacyRef
-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://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
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