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SHAREHOLDERS' EQUITY (Summary Of Stock Options And RSUs Granted Separated Into Ranges Of Exercise Price) (Details) | 12 Months Ended
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Dec. 31, 2017 $ / shares shares
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Outstanding options | shares | 8,267,071
Options and RSUs exercisable | shares | 4,902,815
RSUs 0.0 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | $ 0.00
Exercise price, upper range limit | $ 0.00
Outstanding options | shares | 327,093
Outstanding options, Weighted average exercise price | $ 0.00
Options and RSUs exercisable | shares |
Exercisable options, Weighted average exercise price | $ 0.00
0.01-2.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | 0.01
Exercise price, upper range limit | $ 2.00
Outstanding options | shares | 3,567,235
Outstanding options, Weighted average remaining contractual life (years) | 3 years 7 months 21 days
Outstanding options, Weighted average exercise price | $ 1.18
Options and RSUs exercisable | shares | 1,946,534
Exercisable options, Remaining contractual life (in years) | 3 years 7 months 21 days
Exercisable options, Weighted average exercise price | $ 3.54
2.01-4.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | 2.01
Exercise price, upper range limit | $ 4.00
Outstanding options | shares | 2,186,076
Outstanding options, Weighted average remaining contractual life (years) | 4 years 9 months 25 days
Outstanding options, Weighted average exercise price | $ 2.43
Options and RSUs exercisable | shares | 769,614
Exercisable options, Remaining contractual life (in years) | 4 years 9 months 25 days
Exercisable options, Weighted average exercise price | $ 3.84
4.01-6.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | 4.01
Exercise price, upper range limit | $ 6.00
Outstanding options | shares | 712,509
Outstanding options, Weighted average remaining contractual life (years) | 2 years 6 months 21 days
Outstanding options, Weighted average exercise price | $ 5.16
Options and RSUs exercisable | shares | 712,509
Exercisable options, Remaining contractual life (in years) | 2 years 6 months 21 days
Exercisable options, Weighted average exercise price | $ 2.56
6.01-8.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | 6.01
Exercise price, upper range limit | $ 8.00
Outstanding options | shares | 37,000
Outstanding options, Weighted average remaining contractual life (years) | 3 years 11 months 23 days
Outstanding options, Weighted average exercise price | $ 6.73
Options and RSUs exercisable | shares | 37,000
Exercisable options, Remaining contractual life (in years) | 3 years 11 months 23 days
Exercisable options, Weighted average exercise price | $ 3.98
8.01-10.00 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | 8.01
Exercise price, upper range limit | $ 10.00
Outstanding options | shares | 777,574
Outstanding options, Weighted average remaining contractual life (years) | 3 years 29 days
Outstanding options, Weighted average exercise price | $ 9.07
Options and RSUs exercisable | shares | 777,574
Exercisable options, Remaining contractual life (in years) | 3 years 29 days
Exercisable options, Weighted average exercise price | $ 3.08
10.01-13.04 [Member] |
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items] |
Exercise price, lower range limit | 10.01
Exercise price, upper range limit | $ 13.04
Outstanding options | shares | 659,584
Outstanding options, Weighted average remaining contractual life (years) | 2 years 10 months 21 days
Outstanding options, Weighted average exercise price | $ 12.38
Options and RSUs exercisable | shares | 659,584
Exercisable options, Remaining contractual life (in years) | 2 years 10 months 21 days
Exercisable options, Weighted average exercise price | $ 2.89

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- Definition The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(iii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(i)-(ii) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Weighted average remaining contractual term of exercisable stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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