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Shareholders' Equity (Tables) | 12 Months Ended
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Dec. 31, 2014
Share Based Compensation [Abstract] |
Summary Of Stock Options And RSUs Granted |
|  |  | Year ended
|  |  | December 31, 2014
|  |  | Number of options |  |  | Weighted average exercise price |  |  | Weighted average remaining contractual term (in years) |
Outstanding at beginning of year |  |  |  | 6,045,873 |  |  | $ | 8.07 |  |  |  |  |
Granted |  |  |  | 518,537 |  |  | $ | 2.14 |  |  |  |  |
Exercised |  |  |  | - |  |  | $ | - |  |  |  |  |
Forfeited or expired |  |  |  | (865,398) |  |  | $ | 8.55 |  |  |  |  |
Outstanding at end of the year |  |  |  | 5,699,012 |  |  | $ | 7.46 |  |  | 5.49 |
Options exercisable at end of the year |  |  |  | 4,530,660 |  |  | $ | 8.01 |  |  | 4.83 |
Vested and expected to vest |  |  |  | 5,466,040 |  |  | $ | 7.61 |  |  | 5.35 |
|  |  | Year ended December 31, 2014 |
|  |  | Number of RSUs |
Outstanding at beginning of year |  |  |  | 1,242,746 |
Granted |  |  |  | 151,816 |
Exercised |  |  |  | (573,698) |
Forfeited or expired |  |  |  | (166,558) |
Outstanding at end of the year |  |  |  | 654,306 |
Vested and expected to vest |  |  |  | 467,765 |
Summary Of Stock Options And RSUs Granted Separated Into Ranges Of Exercise Price |
Exercise price (range) |  | Options and RSUs outstanding as of December 31, 20 14 |  | Weighted average remaining contractual life (years) |  | Weighted average exercise price |  | Options and RSUs exercisable as of December 31, 20 14 |  | Remaining contractual life (years for exercisable options |  | Weighted average exercise price |
$ |  |  |  |  |  | $ |  |  |  |  |  | $ |
RSUs 0.0 |  | 660,555 |  |  |  | 0.00 |  | - |  |  |  |  |
0.01-2.00 |  | 91,666 |  | 9.98 |  | 1.08 |  | 91,666 |  | 9.98 |  | 1.08 |
2.01-4.00 |  | 865,163 |  | 8.07 |  | 2.97 |  | 275,277 |  | 6.64 |  | 3.38 |
4.01-6.00 |  | 1,813,245 |  | 3.65 |  | 5.04 |  | 1,621,438 |  | 3.14 |  | 5.07 |
6.01-8.00 |  | 59,500 |  | 7.11 |  | 6.94 |  | 38,183 |  | 6.86 |  | 7.00 |
8.01-10.00 |  | 1,572,316 |  | 6.03 |  | 9.02 |  | 1,265,967 |  | 5.73 |  | 9.03 |
10.01-14.29 |  | 1,297,122 |  | 5.28 |  | 12.40 |  | 1,238,129 |  | 5.24 |  | 12.39 |
|  | 6,359,567 |  |  |  |  |  | 4,530,660 |  |  |  |  |
Schedule Of Equity-Based Compensation Expense |
|  |  | Year ended
|  |  | December 31,
|  |  | 20 12 |  |  | 201 3 |  |  | 201 4
Cost of revenues |  |  | $ | 197 |  |  | $ | 181 |  |  | $ | 215
Research and development |  |  |  | 1,638 |  |  |  | 1,009 |  |  |  | 1,625
Selling and marketing |  |  |  | 1,975 |  |  |  | 1,334 |  |  |  | 674
General and administrative |  |  |  | 1,650 |  |  |  | 1,298 |  |  |  | 831
Total stock-based compensation expenses *) |  |  | $ | 5,460 |  |  | $ | 3,822 |  |  | $ | 3,345
*) |  | Including $ 473, $ 674 and $ 2,086 compensation expenses related to RSUs for the year ended December 31, 2012, 2013 and 2014, respectively.

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