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Summary of Significant Accounting Policies (Details 4) - shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Unvested Restricted Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 3,000 7,000
Stock Options [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,722,552 1,528,737
Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 0 20,467