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Leases - Schedule of Operating Lease Liability Maturity (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Leases [Abstract]
Operating Leases 2019 Remainder	$ 218
Operating Leases 2020	443
Operating Leases 2021	450
Operating Leases 2022	459
Operating Leases 2023	466
Operating Leases 2024 and thereafter	1,799
Operating Leases Total undiscounted lease payments	3,835
Operating Leases Less: Imputed interest	(1,136)
Operating Leases Present value of lease payments	2,699
Current portion of operating lease obligations	231
Long-term operating lease obligations, less current portion	$ 2,468

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Amount of lessee's undiscounted obligation for lease payments for operating lease.

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