Leases - Schedule of Future Minimum Payment Under Operating Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2019	Dec. 31, 2018
Leases [Abstract]
2019 (six months at June 30, 2019)	$ 58	$ 117
2020	92	35
2021	88	26
2022	64
2023	64
Thereafter	63
Total lease payments	429	178
Less: interest	(21)	(8)
Lease liabilities	$ 408	$ 170