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Summary Of Significant Accounting Policies (Anti-Dilutive Common Shares) (Details) - shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Stock Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities 5,446 394,196
Series B Preferred Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities 6,857,143 6,857,143
Stock Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Anti-dilutive securities   1,152,125