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Shareholders' Equity - Schedule of Stock Options Activity (Details) - $ / shares		9 Months Ended	12 Months Ended
		Sep. 30, 2017	Dec. 31, 2018	Dec. 31, 2017
Stockholders' Equity Note [Abstract]
Stock options outstanding, beginning		390,525	389,687	390,525
Stock options, Granted				170,000
Stock options, Forfeited
Stock options, Expired			(69,225)	(170,838)
Stock options, Exercised
Stock options outstanding, ending			320,462	389,687
Stock options exercisable, ending			265,462	274,132
Stock options outstanding price per share, beginning	[1]	$ 20.64	$ 8.05	$ 20.64
Stock options outstanding price per share, Granted	[1]			1.00
Stock options outstanding price per share, Forfeited	[1]
Stock options outstanding price per share, Expired	[1]		15.12	29.82
Stock options outstanding price per share, Exercised	[1]
Stock options outstanding price per share, ending	[1]		6.52	8.05
Stock options exercisable price per share	[1]		$ 7.63	$ 10.79
[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

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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.

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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- Definition

Gross number of share options (or share units) granted during the period.

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

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

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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