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Shareholders' Equity (Tables)

12 Months Ended

Dec. 31, 2016

Shareholders' Equity [Abstract]

Schedule of outstanding warrants to shareholders

	Outstanding and exercisable warrants		Weighted average exercise price of outstanding warrants		Weighted average remaining  contractual life (years)
	161,000		7.43		0.56

Schedule of stock option activity

			2016								2015								2014
			Number of options				Weighted- average exercise price				Number of options				Weighted average exercise price				Number of options				Weighted- average exercise price
	Outstanding - beginning of year			238,894			$	6.65				136,256			$	9.62				144,726			$	14.80
	Changes during the year:
	Granted			30,000			$	2.13				109,625			$	2.78				16,125			$	5.70
	Exercised			(10,000	)		$	2.96				-			$	-				-			$	-
	Forfeited			(6,224	)		$	8.56				(6,987	)		$	12.49				(24,595	)		$	37.55
	Outstanding - year end			252,670			$	6.21				238,894			$	6.65				136,256			$	9.62
	Vested and expected to vest			154,333			$	8.44				88,766			$	12.47				58,982			$	16.64
	Exercisable at year end			144,333			$	8.82				88,766			$	12.47				136,256			$	9.62

Schedule of options granted to employees and directors

																		Weighted average
						Options				Weighted				Options				Remaining
						outstanding				average				exercisable				Contractual
						as of				remaining				as of				life of options
		Exercise				December 31,				contractual				December 31,				exercisable
		Price				2016				life (years)				2016				(years)
			2.126				30,000				4.86				-				-
			2.237				26,625				3.81				8,873				-
			2.96				73,000				3.38				17,666				3.38
			3.23				375				0.14				375				0.14
			3.88				375				2.88				250				2.88
			3.88				90,000				1.85				90,000				1.85
			4.02				5,000				2.54				3,333				2.54
			6.67				10,000				2.28				6,666				2.28
			6.67				375				2.28				250				2.28
			33.60				3,750				1.23				3,750				1.23
			50.40				13,170				0.30				13,170				0.30
			Grand Total				252,670				2.80				144,333				2.07

X

- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

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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

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section S99
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6784392&loc=d3e188667-122775

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 50
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666

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