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CONSOLIDATED STATEMENTS OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands | Ordinary shares [Member] | Additional paid-in capital [Member] | Accumulated other comprehensive income (loss) [Member] | Accumulated deficit [Member] | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2018 | $ 2,625 | $ 924,856 | $ (5,380) | $ (666,932) | [1] | $ 255,169 | [1]
Balance, shares at Dec. 31, 2018 | 55,176,107 |  |  |  |  |  |
Stock-based compensation of options |  | 2,135 |  |  |  | 2,135 |
Exercise of stock options | $ 18 | 357 |  |  |  | 375 |
Exercise of stock options, shares | 317,151 |  |  |  |  |  |
Dividend distribution |  |  |  |  |  | (24,864) |
Comprehensive income (loss) |  |  | 332 | 36,858 | [1] | 37,190 | [1]
Balance at Dec. 31, 2019 | $ 2,643 | 927,348 | (5,048) | (654,938) | [1] | 270,005 | [1]
Balance, shares at Dec. 31, 2019 | 55,493,258 |  |  |  |  |  |
Stock-based compensation of options |  | 1,282 |  |  |  | 1,282 |
Exercise of stock options | $ 4 | (4) |  |  |  |  |
Exercise of stock options, shares | 66,380 |  |  |  |  |  |
Dividend distribution |  |  |  | (19,999) |  | (19,999) |
Dividend payable |  |  |  | (35,003) |  | (35,003) |
Comprehensive income (loss) |  |  | (969) | 35,076 | [1] | 34,107 | [1]
Balance at Dec. 31, 2020 | $ 2,647 | 928,626 | (6,017) | (674,864) | [1] | $ 250,392 | [1]
Balance, shares at Dec. 31, 2020 | 55,559,638 |  |  |  |  | 55,559,638 |
Stock-based compensation of options |  | 1,304 |  |  |  | $ 1,304 |
Exercise of stock options | $ 59 | (59) |  |  |  |  |
Exercise of stock options, shares | 979,599 |  |  |  |  |  |
Comprehensive income (loss) |  |  | (340) | (3,033) |  | (3,373) |
Balance at Dec. 31, 2021 | $ 2,706 | $ 929,871 | $ (6,357) | $ (677,897) |  | $ 248,323 |
Balance, shares at Dec. 31, 2021 | 56,539,237 |  |  |  |  | 56,539,237 |
[1] | The Company restated previously issued consolidated financial statements. See Note 2 and Note 17 for additional information.

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