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Warrants (Tables)
12 Months Ended
Dec. 31, 2014
Warrants [Abstract]  
Summary of Warrants Activity

 


Number of
Units



Weighted
Average

Exercise
Price


Weighted
Average
Remaining
Contractual
Term



Intrinsic
Value

   





Outstanding at December 31, 2013


120,973


$

          4.92


 









Granted


80,000



7.81


 



 






Outstanding at December 31, 2014

200,973

$

6.07

4.1

$

1,151






Exercisable at December 31, 2014

120,973

$

6.07

2.5

$

139,751

Summary of Assumptions Used to Value Warrants

 

 

Year Ended December 31,

2014


2013

Volatility

72%

66% - 67%

Risk-free interest rate

0.54%


0.31% - 0.37%

Expected term

2.5 years


2.5 years