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Equity (Tables)

3 Months Ended

Mar. 31, 2017

Stock Options [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of option and warrant activities

		Number of Units				Weighted  Average  Exercise  Price				Weighted  Average  Remaining  Contractual  Term  (in years)		Aggregate  Intrinsic  Value
Outstanding, December 31, 2016			5,906,886			$	3.52			7.90			51,704
Granted			2,260,500				1.36
Cancelled			(523,000	)			2.25
Outstanding, March 31, 2017			7,644,386				2.97			8.27			855,064
Exercisable, March 31, 2017			2,812,164				4.73			6.45			413,494

Warrants [Member]

Share-based Compensation Arrangement by Share-based Payment Award [Line Items]

Summary of option and warrant activities

		Number of Units				Weighted  Average  Exercise  Price				Weighted  Average  Remaining  Contractual   Term  (in years)				Aggregate  Intrinsic  Value
Outstanding, December 31, 2016			8,964,752				3.72				1.95				1,445,786
Exercised			(9,364	)			0.78				-				-
Outstanding, March 31, 2017			8,955,388				3.70				1.86				3,471,974
Exercisable, March 31, 2017			8,612,888				3.61				1.63				3,426,124

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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