Income Taxes (Summary of Operating Loss Carryforwards) (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Net Operating Loss	$ 954
Operating Loss Expires In 2022 [Member]
Net Operating Loss	553
Operating Loss Expires In 2028 [Member]
Net Operating Loss	2
Operating Loss Expires in 2029 [Member]
Net Operating Loss	25
Operating Loss Expires In 2031 [Member]
Net Operating Loss	45
Operating Loss Expires In 2032 [Member]
Net Operating Loss	77
Operating Loss Expires In 2033 [Member]
Net Operating Loss	73
Operating Loss Expires In 2034 [Member]
Net Operating Loss	59
Operating Loss Expires in 2035 [Member]
Net Operating Loss	33
Operating Loss Expires in 2036 [Member]
Net Operating Loss	50
Operating Loss Expires in 2037 [Member]
Net Operating Loss	$ 37