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Summary of Significant Accounting Policies (Details) - shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Summary of antidilutive securities excluded from computation of earnings per share    
Total potentially dilutive common shares 14,161,313 20,316,335
Series C Preferred Stock [Member]    
Summary of antidilutive securities excluded from computation of earnings per share    
Total potentially dilutive common shares 524,736 1,524,758
Series D Preferred Stock [Member]    
Summary of antidilutive securities excluded from computation of earnings per share    
Total potentially dilutive common shares 3,628,576 3,628,576
Stock Compensation Plan [Member]    
Summary of antidilutive securities excluded from computation of earnings per share    
Total potentially dilutive common shares 10,008,001 15,163,001