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Consolidated Statements of Comprehensive Income (Unaudited) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Statement of Other Comprehensive Income [Abstract] |  |  |  |
Net income | $ 1,386 | $ 1,745 | $ 4,898 | $ 823
Other comprehensive income, net of tax: |  |  |  |
Unrealized gain (loss) on available-for-sale securities | 37 | 1 | 4 | (2)
Currency translation adjustment gain | 1,592 | 327 | 357 | 336
Unrealized gain (loss) on derivative instruments | 100 | (15) | 166 | (57)
Other comprehensive income, net of tax | 1,729 | 313 | 527 | 277
Total comprehensive income | $ 3,115 | $ 2,058 | $ 5,425 | $ 1,100

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