Quarterly report pursuant to Section 13 or 15(d)

Income (Loss) from Discontinued Operations (Detail)

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Income (Loss) from Discontinued Operations (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]        
Net revenues $ 13 $ 692 $ 11 $ 1,312
Operating expenses (34) (668) (102) (1,244)
Operating income (loss) (21) 24 (91) 68
Provision for (benefit from) income taxes 8 9 36 25
Income (loss) from discontinued operations, net of tax $ (13) $ 15 $ (55) $ 43