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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, unless otherwise specified | Total | Common Stock | Common Stock Warrants | Treasury Stock | Additional Paid-in Capital | Retained Earnings | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | --- | --- | ---
Beginning Balance at Dec. 31, 2008 | $ 213,841 | $ 204 | $ 24,003 | $ (147,808) | $ 302,237 | $ 58,468 | $ (23,263)
Comprehensive income (loss) information: |  |  |  |  |  |  |
Net income | 19,626 |  |  |  |  | 19,626 |
Other comprehensive income (loss): |  |  |  |  |  |  |
Foreign currency translation adjustments | 8,398 |  |  |  |  |  | 8,398
Comprehensive income | 28,024 |  |  |  |  |  |
Repurchase of common stock | (15,000) |  |  | (15,000) |  |  |
Shares issued and forefeited, net, under stock plans | 2,175 |  |  | 4,778 | (2,603) |  |
Stock-based compensation | 7,645 |  |  |  | 7,645 |  |
Repurchase of restricted stock for tax withholdings | (622) |  |  | (622) |  |  |
Ending Balance at Dec. 31, 2009 | 236,063 | 204 | 24,003 | (158,652) | 307,279 | 78,094 | (14,865)
Comprehensive income (loss) information: |  |  |  |  |  |  |
Net income | 27,195 |  |  |  |  | 27,195 |
Other comprehensive income (loss): |  |  |  |  |  |  |
Foreign currency translation adjustments | (279) |  |  |  |  |  | (279)
Comprehensive income | 26,916 |  |  |  |  |  |
Repurchase of common stock | (18,624) |  |  | (18,624) |  |  |
Shares issued and forefeited, net, under stock plans | 4,040 |  |  | 6,162 | (2,122) |  |
Stock-based compensation | 7,790 |  |  |  | 7,790 |  |
Repurchase of restricted stock for tax withholdings | (562) |  |  | (562) |  |  |
Ending Balance at Dec. 31, 2010 | 255,623 | 204 | 24,003 | (171,676) | 312,947 | 105,289 | (15,144)
Comprehensive income (loss) information: |  |  |  |  |  |  |
Net income | 45,852 |  |  |  |  | 45,852 |
Other comprehensive income (loss): |  |  |  |  |  |  |
Unrealized gain on available-for-sale securities | 594 |  |  |  |  |  | 594
Foreign currency translation adjustments | (2,711) |  |  |  |  |  | (2,711)
Comprehensive income | 43,735 |  |  |  |  |  |
Shares issued and forefeited, net, under stock plans | 7,460 |  |  | 9,007 | (1,547) |  |
Stock-based compensation | 11,254 |  |  |  | 11,254 |  |
Repurchase of restricted stock for tax withholdings | (742) |  |  | (742) |  |  |
Ending Balance at Dec. 31, 2011 | $ 317,330 | $ 204 | $ 24,003 | $ (163,411) | $ 322,654 | $ 151,141 | $ (17,261)

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