Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Decrease in valuation allowance	$ 3,255,000
Net operating loss carryforwards, permanent loss of tax benefit			$ 1,900,000
Net operating loss carryforwards	27,417,000	$ 37,393,000
Unrecognized tax benefits	0	0
Unrecognized tax benefits, income tax penalties and interest accrued	0	0
Unrecognized tax benefits, income tax penalties and interest expense	$ 0	$ 0