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Summary of Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2015
Accounting Policies [Abstract]  
Schedule of Securities Excluded From Dilutive Per Share Computation

The following securities have been excluded from the dilutive per share computation as they are antidilutive:

 

    December 31,  
    2015     2014  
Shares underlying options outstanding     4,303,638       2,472,234  
Shares underlying warrants outstanding     2,482,563       16,752,915  
Unvested restricted stock     501,182       132,077