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Leases - Maturities of Lease Liability (Details)
$ in Thousands
Mar. 31, 2019
USD ($)
Leases [Abstract]  
Lease Maturities 2019 $ 31
Lease Maturities 2020 42
Lease Maturities 2021 7
Total lease payments 80
Less amount of payments representing interest (4)
Present value of lease payments $ 76