Income Taxes (Tax Effects of Temporary Differences That Give Rise to Deferred Tax Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Deferred tax assets:
Net operating loss carryforward	$ 3,917	$ 4,387
Other	164	299
Total gross deferred tax assets	4,081	4,686
Valuation allowance	(4,081)	(4,686)
Deferred tax assets, net	$ 0	$ 0