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Benefit from Income Taxes (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Current: |  |  |
Federal-U.S. | $ 1,053 | $ 660 | $ 122
State-U.S. | 113 | 117 | 118
Total current | 1,166 | 777 | 240
Deferred: |  |  |
Federal-U.S. | (3,343) | (3,689) | (4,065)
State-U.S. | (605) | (226) | 631
Ireland and United Kingdom | (9,023) | 3,335 | (33,106)
Change in valuation allowance | 8,719 | (3,034) | 33,106
Total deferred | (4,252) | (3,614) | (3,434)
Benefit from income taxes | $ (3,086) | $ (2,837) | $ (3,194)

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