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Discontinued Operations and Divestitures (Details 2) (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Assets:    
Accounts receivable, net $ 16 $ 38
Other assets 489 521
Assets of discontinued operations 505 559
Liabilities:    
Accounts payable 5  
Other current liabilities 180 199
Liabilities of discontinued operations $ 185 $ 199