Income Taxes (Components of Net Income Tax Asset) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Deferred tax assets:
Capital loss carryforward	$ 830	$ 880
Net operating loss carryforward	5,088	4,983
Gross deferred tax assets	5,918	5,863
Valuation allowance	(5,743)	(5,666)
Total deferred tax assets	175	197
Deferred tax liabilities:
Built-in gain	(175)	(197)
Total deferred tax liabilities	(175)	(197)
Net deferred tax asset	$ 0	$ 0