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Discontinued Operations and Divestitures - Assets and Liabilities (Detail) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Assets:    
Accounts receivable, net $ 876 $ 1,068
Other current assets   24
Assets of discontinued operations 876 1,092
Liabilities:    
Accounts payable 32 72
Accrued personnel 71 161
Accrued expenses 136 137
Liabilities of discontinued operations $ 239 $ 370