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Income Taxes (Details 2) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns    
Beginning balance $ 589 $ 857
Decrease due to lapse in statute of limitations (362) (216)
Foreign currency translation adjustments (29) (52)
Ending balance $ 198 $ 589