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Lease Commitments (Schedule of minimum rental commitments) (Details)
$ in Thousands
Jun. 30, 2019
USD ($)
Lease Commitments [Abstract]  
Remaining 2019 $ 407
2020 753
2021 619
2022 530
2023 333
Thereafter 1,215
Total lease payments 3,857
Less: imputed interest 852
Present value of lease liabilities $ 3,005