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Long-Term Borrowings (Details 1) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Maturing in:    
2018 $ 1,075  
2019 931  
2020 860  
2021 792  
2022 729  
Thereafter 398  
TOTAL $ 4,785 $ 12,876