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Revolving Credit Facility and Bank Borrowings (Maturities Of Debt Obligations) (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Debt Disclosure [Abstract]    
2018 $ 676  
2019 13  
2020 11  
2021 6  
Total borrowings and capital lease obligations 706 $ 2,378
Less: current portion 676 2,338
Non-current portion $ 30 $ 40