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Operating Leases - Future Minimum Lease Payments (Details)
$ in Thousands
Jun. 30, 2019
USD ($)
Finance Minimum Lease Payments  
2019 $ 304
2020 403
2021 411
2022 236
2023 27
Total lease payments 1,381
Less: Amounts representing interest (210)
Present value of lease liabilities $ 1,171