SHAREHOLDERS' EQUITY (Stock Options Under the Plans) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013
Number of options
Exercised	(79,307)
Options [Member]
Number of options
Options outstanding, beginning balance	1,013,492
Granted	282,000
Exercised	(493,993)
Expired & forfeited	(35,374)
Options outstanding, ending balance	766,125	1,013,492
Exercisable at December 31, 2014	588,525
Weighted average exercise price
Options outstanding, beginning balance	$ 4.34
Granted	$ 5.85
Exercised	$ 3.44
Expired & forfeited	$ 6.41
Options outstanding, ending balance	$ 5.38	$ 4.34
Exercisable at December 31, 2014	$ 5.33
Weighted average remaining contractual term (in years)
Outstanding	3 years 6 months 18 days	3 years 7 months 20 days
Exercisable at December 31, 2014	3 years 2 months 16 days
Aggregate intrinsic value
Outstanding	$ 5,221	$ 1,813
Options exercisable	4,050
Vested and expected to vest at December 31, 2014
Number of options	766,125
Weighted average exercise price	$ 5.38
Weighted average remaining contractual life	3 years 6 months 18 days
Aggregate intrinsic value	$ 5,221

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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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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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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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For presentations that combine terminations, 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 or that expired.

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Weighted average price of options that were either forfeited or expired.

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

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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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Amount by which the current fair value of the underlying stock exceeds the exercise price of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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As of the balance sheet date, the weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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

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