SHAREHOLDERS' EQUITY (Details 1) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2020	Dec. 31, 2019
Share-based Payment Arrangement [Abstract]
Number, Options outstanding at the beginning of the period	74,713
Number, Granted
Number, Exercised
Number, Forfeited	(320)
Number, Options outstanding at the end of the period	74,393	74,713
Number, Options exercisable at the end of the period	49,609
Average exercise price, Options outstanding at the beginning of the period	$ 41.6
Average exercise price, Granted
Average exercise price, Exercised
Average exercise price, Forfeited	26.875
Average exercise price, Options outstanding at the end of the period	41.67	$ 41.6
Average exercise price, Options exercisable at the end of the period	$ 51.87
Average remaining contractual life (in years), Options outstanding at the beginning of the period	5 years 11 months 23 days	6 years 4 months 2 days
Average remaining contractual life (in years), Options exercisable at the end of the period	4 years 9 months 22 days
Aggregate intrinsic value (in thousands), Options outstanding	$ 21	$ 135
Aggregate intrinsic value (in thousands), Options exercisable at the end of the period

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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.

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

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=120381028&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.

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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 that were terminated.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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Number of share options (or share units) exercised during the current period.

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