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Loss Per Share (Details) - shares
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Warrants    
Class of Stock [Line Items]    
Dilutive Securities Excluded From Computation Of Earnings Per Share, Shares 336,062 460,547
Stock Options [Member]    
Class of Stock [Line Items]    
Dilutive Securities Excluded From Computation Of Earnings Per Share, Shares 1,133,459 722,708
Restricted Stock [Member]    
Class of Stock [Line Items]    
Dilutive Securities Excluded From Computation Of Earnings Per Share, Shares 132,726 53,935