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Right of Use Leases Assets and Leases Obligations (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2019
Leases [Abstract]    
Operating lease costs $ 64 $ 132
Operating lease liabilities $ 68 139
Right-of-use assets obtained in exchange for new operating lease liabilities   $ 819