Selected Statements of Operations Data (Details 3) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Numerator:
Numerator for basic net income (loss) per Ordinary Share	$ (2,415)	$ 2,901	$ 1,915
Effect of dilutive securities:
Share-based compensation granted
Numerator for dilutive net income (loss) per Ordinary Share	$ (2,415)	$ 2,901	$ 1,915
Denominator:
Denominator for dilutive net income (loss) per Ordinary Share - weighted average number of Ordinary Shares	13,630,793	12,039,176	10,406,897
Share-based compensation granted		$ 312,390	$ 372,650
Denominator for diluted net income (loss) per Ordinary Share - adjusted weighted average number of Ordinary Shares	13,630,793	12,351,566	10,779,547

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Share-based compensation granted denominator.

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Share-based compensation granted numerator.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent, and includes adjustments resulting from the assumption that dilutive convertible securities were converted, options or warrants were exercised, or that other shares were issued upon the satisfaction of certain conditions.

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Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.

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The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

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This element represents the weighted average total number of shares issued throughout the period including the first (beginning balance outstanding) and last (ending balance outstanding) day of the period before considering any reductions (for instance, shares held in treasury) to arrive at the weighted average number of shares outstanding. Weighted average relates to the portion of time within a reporting period that common shares have been issued and outstanding to the total time in that period. Such concept is used in determining the weighted average number of shares outstanding for purposes of calculating earnings per share (basic).

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