Leases, Long-term Lease Agreements Calssified as Operating Leases (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2019 USD ($)	Jun. 30, 2019 USD ($)
Information about Leases [Abstract]
Lease liabilities	$ 593	$ 593
Right of use assets	$ 590	$ 590
Weighted average remaining lease term	2 years 5 months 16 days	2 years 5 months 16 days
Weighted average discount rate	2.77%	2.77%
Lease Cost [Abstract]
Operating lease cost	$ 86	$ 171
Total lease cost	86	171
Cash paid for amounts included in the measurement of lease liabilities	85	169
Lease payments due [Abstract]
Six months ending December 31, 2019	162	162
Twelve months ending December 31, 2020	256	256
Twelve months ending December 31, 2021	111	111
Twelve months ending December 31, 2022	83	83
Total undiscounted cash flows	612	612
Discount	(19)	(19)
Lease liabilities	$ 593	$ 593