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Summary of Significant Accounting Policies (Details 1) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Potentially dilute securities excluded from calculation 3,124,545 590,728
Convertible preferred stock [Member]    
Potentially dilute securities excluded from calculation 530,277 271,413
Warrants to purchase common stock [Member]    
Potentially dilute securities excluded from calculation 2,304,888 40,452
Options to purchase common stock [Member]    
Potentially dilute securities excluded from calculation 289,380 278,863