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Discontinued Operations and Divestitures - Assets and Liabilities (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Assets:    
Accounts receivable, net $ 3,212 $ 4,699
Other assets 470 530
Assets of discontinued operations 3,682 5,229
Liabilities:    
Accounts payable 113 388
Accrued personnel 181 591
Accrued expenses 137 324
Liabilities of discontinued operations $ 431 $ 1,303