Quarterly report pursuant to Section 13 or 15(d)

Loss from Discontinued Operations (Detail)

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Loss from Discontinued Operations (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]    
Net revenues   $ (2)
Operating expenses (16) (68)
Operating income (loss) (16) (70)
Provision for (benefit from) income taxes (5) (28)
Loss from discontinued operations, net of tax $ (11) $ (42)