Leases (Lease Cost and Other Lease Information) (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2019 USD ($)
Leases [Abstract]
Operating lease cost	$ 47
Variable lease cost	2
Total lease cost	49
Cash paid for amounts included in the measurement of lease liabilities	49
Right-of-use asset obtained in exchange for new leases	$ 16
Weighted-average remaining lease term in years	1 year 8 months
Weighted average discount rate	4.20%