Annual report pursuant to Section 13 and 15(d)

Income Taxes (Narrative) (Details)

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Income Taxes (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate 38.00% 38.00%  
Valuation allowance 100.00% 100.00% 100.00%
Approximations [Member]      
Deferred Tax Assets, Operating Loss Carryforwards $ 45.2    
Change in valuation allowance $ 1.8 $ 1.7