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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2019

Equity [Abstract]

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The fair value of share-based awards was estimated using the Black-Scholes model with the following weighted-average assumptions for the six months ended June 30, 2019 and 2018:

Assumptions:

		2019				2018
Dividend yield			0.00				0.00
Risk-free interest rate			1.90-2.54	%			2.68-2.97	%
Expected volatility			105.2-106.1	%			116.3-137.33	%
Expected life (in years)			5				5-10

Schedule of Stock Option Activity

Option activity for the six months ended June 30, 2019 and the year ended December 31, 2018 was as follows:

						Weighted Average				Weighted Average
						Exercise				Remaining				Aggregate
						Price				Contractual				Intrinsic
		Options				($)				Life (Yrs.)				Value ($)
Options outstanding at December 31, 2017			299,938				4.40				7.33
Granted			534,329				1.45				6.58
Exercised			-				-				-
Forfeited or cancelled			(8,000	)			4.59				-
Options outstanding at December 31, 2018			826,267				2.49				6.47
Granted			286,925				1.55				4.63
Exercised			-				-				-
Forfeited or cancelled			(5,000	)			1.15				-
Options outstanding June 30, 2019			1,108,192				2.25				5.61				45,830
Options expected to vest in the future as of June 30, 2019			388,858				2.22				5.48				28,309
Options exercisable at June 30, 2019			719,334				2.28				5.69				17,521
Options vested, exercisable, and options expected to vest at June 30, 2019			1,108,192				2.25				5.61				45,830

Summary of Warrant Activity

Warrant activity for the six months ended June 30, 2019 and 2018 was as follows:

						Weighted Average				Weighted Average
						Exercise				Remaining
						Price				Contractual
		Warrants				($)				Life (Yrs.)
Warrants outstanding at December 31, 2017			1,645,500				3.97				4.11
Granted			1,607,000				1.30				4.64
Exercised			(24,000	)			2.00				-
Forfeited or cancelled			-				-				-
Options outstanding at June 30, 2018			3,228,500				2.65				4.40
Options outstanding at December 31, 2018			3,050,600				2.75				3.86
Granted			640,240				1.60				4.94
Exercised			(70,230	)			1.08				-
Forfeited or cancelled			-				-				-
Options outstanding at June 30, 2019			3,620,610				2.58				3.63

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- References

No definition available.

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- Definition

Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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-Publisher FASB
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Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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