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Note 3 - Taxation (Detail) - Components of Income Tax Expense (Benefit) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Federal | $ 1,529 | $ 1,456 | $ 2,520
State | 425 | 402 | 414
Foreign | 471 | 482 | 103
Total current | 2,425 | 2,340 | 3,037
Federal | 9 | 674 | (1,051)
State | 1 | 95 | (97)
Foreign | (133) |  | 44
Total deferred | (458) | 793 | (588)
Income tax expense | $ 2,302 | $ 3,109 | $ 1,933

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