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Operating Leases - presents the maturity profile of the Company's operating lease liabilities based on the contractual undiscounted payments (Details 1) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Leases, Operating [Abstract]    
2019 $ 1,399  
2020 1,769  
2021 1,356  
2022 1,269  
2023 1,047  
2024 and thereafter 5,686  
Total lease payments 12,526  
Net present value of lease liabilities (3,811)  
Operating Lease, Liability 8,715  
Current portion 1,147 $ 0
Long term portion 7,568 $ 0
Total $ 8,715