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Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2016
Stockholders' Equity Note [Abstract]  
Schedule of Stock Option Activity

A summary of stock option activity under the 2011 Long-Term Incentive Plan as of March 31, 2016, and changes during the three months ended March 31, 2016, are presented below:

 

    Stock
options
  Weighted average exercise price  Weighted average remaining contractual term  Aggregate intrinsic value
Outstanding as of January 1, 2016   344,733   $9.35        $ 
Granted   27,000    3.68           
Exercised                  
Forfeited   (36,667)   9.16           
Outstanding as of March 31, 2016   335,066   $8.92    6.5   $83,050 
Exercisable as of March 31, 2016   285,400   $9.32    6.0   $40,600