Leases - Future Minimum Lease Payments (Details) - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Finance Leases
Remainder of 2019	$ 34
2020	133
2021	121
2022	58
2023	19
Thereafter	8
Total minimum lease payments	373
Less: imputed interest	35
Present value of minimum lease payments	338
Less: current portion	115	$ 95
Long-term portion	223	237
Operating Leases
Remainder of 2019	196
2020	772
2021	484
2022	489
2023	448
Thereafter	416
Total minimum lease payments	2,805
Less: imputed interest	305
Present value of minimum lease payments	2,500
Less: current portion	684	0
Long-term portion	1,816	$ 0
Finance and operating lease obligations, remainder of 2019	230
Finance and operating lease obligations, 2020	905
Finance and operating lease obligations, 2021	605
Finance and operating lease obligations, 2022	547
Finance and operating lease obligations, 2023	467
Finance and operating lease obligations, thereafter	424
Total minimum lease payments	3,178
Less: imputed interest	340
Present value of minimum lease payments	2,838
Less: current portion	799
Long-term portion	$ 2,039

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