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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2019

Shareholders' Equity

Schedule of Weighted Average Assumptions

The following weighted-average assumptions were used for grants issued during 2019 and 2018 under the ASC No. 718 requirements:

		2019				2018
Weighted average risk-free rate			1.68	%			2.87	%
Weighted average volatility			105.53	%			113.20	%
Dividend yield			0.00	%			0.00	%
Expected term			5.37 years				7.06 years

Summary of Stock Option Activity

The following table summarizes stock option activities for the years ended December 31, 2019 and 2018:

		Outstanding Options				Weighted Average Exercise Price per Share				Weighted Average Remaining Contractual Life (in years)				Aggregate Intrinsic Value
Outstanding January 1, 2018			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				-
Granted			3,000				3.15				-				-
Exercised			-				-				-				-
Cancelled			(6,000	)			13.32				-				-
Forfeited			(2,000	)			6.24				-				-
Expired			-				-				-				-
Outstanding December 31, 2019			142,000			$	18.26				5.14			$	-
Options vested and exercisable at December 31, 2019			140,000			$	18.43				5.10			$	-

Summary of Restricted Stock Unit Activity

The following table summarizes restricted stock unit activity for the years ended December 31, 2019 and 2018:

		Outstanding Restricted Stock Units				Weighted Average Fair Value per Share
January 1, 2018			-			$	-
Granted			74,000				5.13
Released			(13,000	)			6.04
Canceled			-				-
December 31, 2018			61,000			$	4.94
Granted			77,000				3.35
Released			(38,000	)			4.09
Cancelled			(43,000	)			4.17
December 31, 2019			57,000			$	3.57
Balance expected to vest at December 31, 2019			19,000

Summary of Warrant Activities

The following summarizes warrant activities for the years ended December 31, 2019 and 2018:

			Outstanding Warrants				Weighted Average Exercise Price per Share				Weighted Average Remaining Contractual Life (in years)
Outstanding January 1, 2018				72,000			$	20.00				0.87
Granted				-				-				-
Exercised				-				-				-
Forfeited				(72,000	)			-				-
Outstanding 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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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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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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