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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data | Total | Ordinary Shares [Member] | Additional Paid-in Capital [Member] | Accumulated Other Comprehensive Income [Member] | Accumulated Deficit [Member]
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2009 |  | $ 232,295 | $ 1,832 |  | $ 863,337 | $ 1,341 | $ (634,215)
Balance, shares at Dec. 31, 2009 |  |  | 40,273 |  |  |  |
Issuance of restricted share units |  | 23 | 23 |  |  |  |
Issuance of restricted share units, shares |  |  | 422 |  |  |  |
Stock-based compensation of options and RSUs related to employees and non- employees |  | 1,726 |  |  | 1,726 |  |
Conversion of convertible subordinated notes |  | 1 |  | [1] | 1 |  |
Conversion of convertible subordinated notes, shares | [2] |  |  |  |  |  |
Exercise of stock options |  | 16 |  | [1] | 16 |  |
Exercise of stock options, shares |  |  | 3 |  |  |  |
Comprehensive income (loss) |  | 30,052 |  |  |  | (567) | 30,619
Balance at Dec. 31, 2010 |  | 264,113 | 1,855 |  | 865,080 | 774 | (603,596)
Balance, shares at Dec. 31, 2010 |  |  | 40,698 |  |  |  |
Issuance of restricted share units |  | 27 | 27 |  |  |  |
Issuance of restricted share units, shares |  |  | 484 |  |  |  |
Stock-based compensation of options and RSUs related to employees and non- employees |  | 2,009 |  |  | 2,009 |  |
Conversion of convertible subordinated notes |  | 9 |  | [1] | 9 |  |
Conversion of convertible subordinated notes, shares | [2] |  |  |  |  |  |
Comprehensive income (loss) |  | (6,083) |  |  |  | (233) | (5,850)
Balance at Dec. 31, 2011 |  | 260,075 | 1,882 |  | 867,098 | 541 | (609,446)
Balance, shares at Dec. 31, 2011 |  | 41,182,011 | 41,182 |  |  |  |
Issuance of restricted share units |  | 24 | 24 |  |  |  |
Issuance of restricted share units, shares |  |  | 459 |  |  |  |
Stock-based compensation of options and RSUs related to employees and non- employees |  | 2,445 |  |  | 2,445 |  |
Conversion of convertible subordinated notes |  | 52 |  | [1] | 52 |  |
Conversion of convertible subordinated notes, shares |  | 230 | 3 |  |  |  |
Exercise of stock options |  |  | 3 |  | 227 |  |
Exercise of stock options, shares |  |  | 56 |  |  |  |
Comprehensive income (loss) |  | (20,869) |  |  |  | 2,323 | (23,192)
Balance at Dec. 31, 2012 |  | $ 241,957 | $ 1,909 |  | $ 869,822 | $ 2,864 | $ (632,638)
Balance, shares at Dec. 31, 2012 |  | 41,700,100 | 41,700 |  |  |  |
[1] | Represents an amount lower than $ 1.
[2] | Represents an amount lower than 1 thousand shares.

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