Annual report pursuant to Section 13 and 15(d)

Domestic and Foreign Components of Income (Loss) Before Provision for Income Taxes (Detail)

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Domestic and Foreign Components of Income (Loss) Before Provision for Income Taxes (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Income Taxes [Line Items]      
Domestic $ 9,151 $ (926) $ 119
Foreign 251 (515) 667
Income (loss) before income taxes $ 9,402 $ (1,441) $ 786