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Leases (Narrative) (Details) - Accounting Standards Update 2016-02 [Member]
$ in Thousands
6 Months Ended
Jun. 30, 2019
USD ($)
Leases [Line Items]  
Operating lease expense $ 76
Operating Lease, Payments $ 70
Weighted average remaining lease term 6 years 8 months 12 days
Weighted average discount rate for operating leases 10.00%