Income Taxes (Details Textual) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Income Tax Contingency [Line Items]
Increase (Decrease) in Deferred Liabilities		$ 706,000
Operating Loss Carryforwards	11,500,000	11,400,000
Deferred Tax Assets, Capital Loss Carryforwards	3,394,000	3,515,000
Operating Loss Carryforward, Expiration Periods	2034
Federal Tax [Member]
Income Tax Contingency [Line Items]
Tax Credit Carryforward, Amount	$ 65,400,000