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Warrants (Tables)
 12 Months Ended
Dec. 31, 2015
Text Block [Abstract]  
Summary of Warrant Activity

The warrants were recognized at the relative fair value on the issuance date as a debt discount and will be amortized using the effective interest method from issuance to the maturity of the note. None of these warrants were exercised during the year ended December 31, 2015.

 

     Number of
Warrants		      Weighted
Average
Exercise
Price		      Weighted
Average
Remaining
Contractual
Life (in years)		      Weighted
Average
Fair Value		  

Outstanding at December 31, 2012

      279,588       $ 1.45         9.1       $ 0.45   
  

 

 

     

 

 

     

 

 

     

 

 

  

Warrants assumed in merger with SafeStitch

      1,199,600         1.65         4.3         1.15   

Exercised

      (193,794 )       1.45         —           5.25   
  

 

 

     

 

 

     

 

 

     

 

 

  

Outstanding at December 31, 2013

      1,285,394       $ 1.45         4.7       $ 1.75   

Granted

      38,325         4.02         6.7         1.41   

Exercised

      (10,000 )       1.65         —           —     
  

 

 

     

 

 

     

 

 

     

 

 

  

Outstanding at December 31, 2014

      1,313,719       $ 1.70         3.9       $ 1.75   

Granted

      112,903         3.10         6.6         0.86   

Exercised

      —           —           —           —     
  

 

 

     

 

 

     

 

 

     

 

 

  

Outstanding at December 31, 2015

      1,426,622       $ 1.81         3.2       $ 1.54