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Fair Value (Details 1) - Recurring Basis [Member] - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]      
Balance at beginning $ 14 $ 295
Fair value adjustments $ (14) (281)
Balance at ending $ 14