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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2018

Shareholders' Equity

Schedule of Weighted Average Assumptions

The following weighted-average assumptions were used for grants issued during 2018 and 2017 under the ASC No. 718 requirements:

		2018				2017
Weighted average risk-free rate			2.87	%			1.97	%
Weighted average volatility			113.20	%			113.57	%
Dividend yield			0.00	%			0.00	%
Expected term			7.06 years				7.19 years

Summary of Stock Option Activity

The following table summarizes stock option activities for the years ended December 31, 2018 and 2017:

		Outstanding Options				Weighted Average Exercise Price per Share				Weighted Average Remaining Contractual Life (in years)				Aggregate Intrinsic Value
Outstanding January 1, 2017			165,000			$	17.78				8.67			$	36,000
Granted			8,000				6.66				-				-
Exercised			-				-				-				-
Cancelled			(8,000	)			16.76				-				-
Forfeited			(9,000	)			9.87				-				-
Expired			-				-				-				-
Outstanding December 31, 2017			156,000				17.74				7.12				-
Granted			2,000				4.44				-				-
Exercised			-				-				-				-
Cancelled			(6,000	)			10.42				-				-
Forfeited			(4,000	)			6.38				-				-
Expired			(1,000	)			16.00				-				-
Outstanding December 31, 2018			147,000			$	18.20				6.08			$	-
Options vested and exercisable at December 31, 2018			137,000			$	18.81				5.99			$	-

Summary of Restricted Stock Unit Activity

The following table summarizes restricted stock unit activity for the year ended December 31, 2018:

		Outstanding Restricted Stock Units				Weighted Average Fair Value per Share
January 1, 2018			-			$	-
Granted			74,000				5.13
Released			(13,000	)			6.04
Cancelled			-				-
December 31, 2018			61,000			$	4.94
Balance exercisable at December 31, 2018			51,000

Summary of Warrant Activities

The following summarizes warrant activities for the years ended December 31, 2018 and 2017:

		Outstanding Warrants				Weighted Average Exercise Price per Share				Weighted Average Remaining Contractual Life (in years)
Outstanding January 1, 2017			132,000			$	33.64				2.18
Granted			-				-				-
Exercised			-				-				-
Forfeited			(60,000	)			-				-
Outstanding December 31, 2017			72,000			$	20.00				0.87
Granted			-				-				-
Exercised			-				-				-
Forfeited			(72,000	)			-				-
Outstanding December 31, 2018			-			$	-				-
Balance exercisable at December 31, 2018			-			$	-				-

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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.

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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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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