Quarterly report pursuant to Section 13 or 15(d)

Stock Options (Tables)

v3.5.0.2
Stock Options (Tables)
6 Months Ended
Jun. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Assumptions Used Principally in Determining Fair Value of Options Granted

The assumptions used principally in determining the fair value of options granted were as follows:

 

    Six Months Ended June 30,  
    2016     2015  
Risk free interest rate     1.73 %     1.98 %
Expected dividend yield     0 %     0 %
Expected term in years     6.64       8.59  
Expected volatility     90.6 %     97.0 %
Estimated forfeiture rate     5 %     0.65 %

Summary of Option Activity

A summary of option activity for the six months ended June 30, 2016 and is presented below:

 

                  Weighted        
                  Average        
                  Remaining        
            Weighted     Contractual     Average  
            Average     Term in     Intrinsic  
Options     Shares     Exercise Price     Years     Value  
Outstanding at December 31, 2015       3,982,065     $ 1.03                  
Granted       1,625,000       1.80                  
Exercised       (180,000 )     1.00             $ 356,400  
Forfeited       (64,444 )     2.22                  
Outstanding at June 30, 2016       5,362,621     $ 1.25       8.23     $ 9,367,467  
Vested at June 30, 2016       2,216,395     $ 0.93       7.28     $ 4,578,142