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Accrued Expenses and Other Current Liabilities - Other Current Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Payables and Accruals [Abstract]    
Legal accrual $ 450 $ 300
Reserve for unclaimed property 1,107 1,035
Restructure reserves 756 443
Deferred revenue 211 1,031
Other 97 64
Other current liabilities $ 2,621 $ 2,873