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Summary of Significant Accounting Policies (Details 2) - shares
6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2015
Dec. 31, 2013
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Anti-dilutive securities 9,969,407 6,305,485 4,879,210
Class A convertible preferred stock [Member]      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Anti-dilutive securities 667,462 71,672  
Series A Preferred Stock [Member]      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Anti-dilutive securities     2,720,825
Common stock warrants [Member]      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Anti-dilutive securities 8,628,911 5,362,183 1,785,303
Restricted stock awards [Member]      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Anti-dilutive securities   94,000  
Common Stock Options [Member]      
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]      
Anti-dilutive securities 673,034 777,630 373,082