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Changes in Accumulated Other Comprehensive (Loss) Income (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Changes in accumulated Other Comprehensive (Loss) Income    
Balance at the beginning of the period $ (55) $ 98
Other comprehensive loss (276) (153)
Balance at the end of the period (331) (55)
Reclassifications from accumulated other comprehensive (loss) income 0 0
Foreign Currency Translation Adjustment    
Changes in accumulated Other Comprehensive (Loss) Income    
Balance at the beginning of the period (55) 98
Other comprehensive loss (276) (153)
Balance at the end of the period $ (331) $ (55)