Leases - Future Minimum Lease Payments (Details) $ in Thousands	Mar. 31, 2019 USD ($)
Operating Leases
Remainder of 2019	$ 173
2020	238
2021	238
2022	238
2023	238
Thereafter	178
Total future minimum lease payments	1,303
Less: interest	165
Total	1,138
Finance Leases
Remainder of 2019	93
2020	21
2021	0
2022	0
2023	0
Thereafter	0
Total future minimum lease payments	114
Less: interest	4
Total	$ 110