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Loss before Income Taxes for Domestic and Non-U.S. Continuing Operations (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income (loss) from continuing operations before income taxes:      
U.S. $ (23,022) $ (21,442) $ (7,262)
Foreign (1,752) (13,712) (2,612)
Loss from continuing operations before income taxes and noncontrolling interest $ (24,774) $ (35,154) $ (9,874)