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Related Parties Transactions And Balances (Details 1) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Related Parties Transactions And Balances      
Payroll and other short-term benefits $ 1,573 $ 1,073 $ 703
Bonuses and Commissions 146 178
Advisory fees 73 246
Management fees 185 222 166
Share-based payments 219 665 1,291
Total benefits $ 2,123 $ 2,211 $ 2,406