Annual report pursuant to Section 13 and 15(d)

Summarized Financial Information for Equity Method Investee Income Statement (Detail)

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Summarized Financial Information for Equity Method Investee Income Statement (Detail) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Schedule of Equity Method Investments [Line Items]    
Net revenue $ 92,891 $ 109,257
Gross profit 23,032 27,860
Net loss $ (47,206) $ (1,900)