SHAREHOLDERS' EQUITY (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018
Vesting period	4 years
Expiration period	10 years
Ordinary shares reserved for issuance	8,639,000
Ordinary shares available for future grant	1,166,665
Weighted average grant date fair value of options granted	$ 1.57	$ 2.13
Unrecognized compensation cost related to non-vested stock options	$ 1,560
Unrecognized compensation cost, period for recognition	1 year
Additional Shares authorized	1,600,000
Minimum [Member]
Expiration period	6 years
Maximum [Member]
Expiration period	10 years
Restricted Stock Units RSUs [Member]
Weighted average grant date fair value of options granted	$ 3.84

Share Based Compensation Arrangement By Share Based Payment Award Award Expiration Period

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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

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Amount of cost to be recognized for option under share-based payment arrangement.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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Number of shares authorized for issuance under share-based payment arrangement.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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