EQUITY (Schedule of Stock Option Activity) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Employee [Member]
Number of options
Outstanding at beginning of year	5,374,000	5,879,798	4,996,438
Granted	600,000	40,000	1,150,000
Exercised	(272,000)	(154,498)	(56,000)
Expired	(21,750)	(151,900)	(8,938)
Forfeited	(1,248,867)	(239,400)	(201,702)
Outstanding at end of year	4,431,383	5,374,000	5,879,798
Exerciable at end of year	3,357,465	4,097,913	4,150,546
Vested and expected to vest at December 31, 2014	4,339,522
Weighted average exercise price
Outstanding at beginning of year	$ 5.0	$ 5.0	$ 5.5
Granted	$ 5.2	$ 5.3	$ 3.4
Exercised	$ 4.0	$ 4.2	$ 4.1
Expired	$ 6.5	$ 5.0	$ 77.6
Forfeited	$ 5.2	$ 6.0	$ 5.7
Outstanding at end of year	$ 5.0	$ 5.0	$ 5.0
Exercisable at end of year	$ 5.2	$ 5.4	$ 5.6
Vested and expected to vest at December 31, 2014	$ 5.0
Weighted-average remaining contractual term
Outstanding at January 1, 2014	2 years 2 months 12 days	2 years 8 months 12 days
Outstanding at December 31, 2014	2 years 2 months 12 days	2 years 8 months 12 days
Exercisable at December 31, 2014	1 year 6 months
Vested and expected to vest at December 31, 2014	2 years 4 months 24 days
Aggregate intrinsic value
Outstanding at January 1, 2014	$ 2,122
Outstanding at December 31, 2014	1,405	2,122
Exercisable at December 31, 2014	807
Vested and expected to vest at December 31, 2014	1,383
Non-Employee [Member]
Number of options
Outstanding at beginning of year	35,000	35,000	365,000
Granted			20,000
Exercised
Expired
Forfeited			(350,000)
Outstanding at end of year	35,000	35,000	35,000
Exerciable at end of year	23,000	14,625	7,125
Vested and expected to vest at December 31, 2014	31,700
Weighted average exercise price
Outstanding at beginning of year	$ 4.1	$ 4.1	$ 6.0
Granted			$ 3.0
Exercised
Expired
Forfeited			$ 6.0
Outstanding at end of year	$ 4.1	$ 4.1	$ 4.1
Exercisable at end of year	$ 4.7	$ 5.1	$ 5.7
Vested and expected to vest at December 31, 2014	$ 4.3
Weighted-average remaining contractual term
Outstanding at January 1, 2014	3 years 1 month 6 days	4 years 1 month 6 days
Outstanding at December 31, 2014	3 years 1 month 6 days	4 years 1 month 6 days
Exercisable at December 31, 2014	2 years 10 months 24 days
Vested and expected to vest at December 31, 2014	3 years 1 month 6 days
Aggregate intrinsic value
Outstanding at January 1, 2014	34
Outstanding at December 31, 2014	33	34
Exercisable at December 31, 2014	13
Vested and expected to vest at December 31, 2014	$ 28

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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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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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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 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 weighted-average exercise price for outstanding stock options that are fully vested or expected to vest.

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