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Revolving Credit Facility and Bank Borrowings (Maturities Of Debt Obligations) (Details) - USD ($)
$ in Thousands
Mar. 31, 2018
Dec. 31, 2017
Debt Disclosure [Abstract]    
2018 (remainder of year) $ 277  
2019 14  
2020 12  
2021 6  
Total borrowings and capital lease obligations 309 $ 706
Less: current portion 281 676
Non-current portion $ 28 $ 30