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Shareholders' Equity - Schedule of Stock Options Outstanding and Exercisable (Details) - $ / shares		3 Months Ended
		Mar. 31, 2018	Dec. 31, 2017
Options Outstanding		389,687	389,687
Exercise price range, Lower range		$ 0.72
Exercise price range, Upper range		30.24
Weighted Average	[1]	$ 8.05	$ 8.05
Remaining Contractual Term (Years)		6 years 4 months 24 days
Options Exercisable		279,687	274,132
Weighted Average Exercisable	[1]	$ 10.76	$ 10.79
Exercise Price One [Member]
Options Outstanding		56,786
Exercise price range, Lower range		$ 9.00
Exercise price range, Upper range		9.00
Weighted Average		$ 9.00
Remaining Contractual Term (Years)		6 years 9 months 18 days
Options Exercisable		56,786
Weighted Average Exercisable		$ 9.00
Exercise Price Two [Member]
Options Outstanding		49,504
Exercise price range, Lower range		$ 12.48
Exercise price range, Upper range		12.48
Weighted Average		$ 12.48
Remaining Contractual Term (Years)		5 years 3 months 19 days
Options Exercisable		49,504
Weighted Average Exercisable		$ 12.48
Exercise Price Three [Member]
Options Outstanding		98,396
Exercise price range, Lower range		$ 13.92
Exercise price range, Upper range		17.10
Weighted Average		$ 15.01
Remaining Contractual Term (Years)		1 year 7 months 6 days
Options Exercisable		98,396
Weighted Average Exercisable		$ 15.01
Exercise Price Four [Member]
Options Outstanding		15,001
Exercise price range, Lower range		$ 22.62
Exercise price range, Upper range		30.24
Weighted Average		$ 24.03
Remaining Contractual Term (Years)		5 years 3 months 19 days
Options Exercisable		15,001
Weighted Average Exercisable		$ 24.03
Exercise Price Five [Member]
Options Outstanding		60,000
Exercise price range, Lower range		$ 0.72
Exercise price range, Upper range		0.72
Weighted Average		$ 0.72
Remaining Contractual Term (Years)		9 years 4 months 24 days
Options Exercisable		60,000
Weighted Average Exercisable		$ 0.72
Exercise Price Six [Member]
Options Outstanding		110,000
Exercise price range, Lower range		$ 1.16
Exercise price range, Upper range		1.16
Weighted Average		$ 1.16
Remaining Contractual Term (Years)		9 years 7 months 6 days
Options Exercisable
Weighted Average Exercisable
[1] Represents the weighted average price.

X

- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ 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)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ 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)(iii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)(1)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ 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)(i)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ 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 (g)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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 (e)(1)
-URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901

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