Quarterly report pursuant to Section 13 or 15(d)

Stock Options and Warrants (Tables)

v2.4.1.9
Stock Options and Warrants (Tables)
 9 Months Ended
Feb. 28, 2015
Stock Option and Warrant Activity

The following table presents stock option and warrant activity as of and for the nine months ended February 28, 2015:

 

     Number of
Shares		     Weighted
Average
Exercise Price		      Weighted
Average
Remaining
Contractual Life
in Years		      Aggregate
Intrinsic Value		  

Options and warrants outstanding—May 31, 2014

      30,806,361      $ 1.13         3.29       $ 177,042   

Granted

      1,208,973        0.67         —           —     

Exercised

      (1,938,974 )      0.55         —           —     

Forfeited/expired/cancelled

      (7,020,410 )      1.76         —           —     
  

 

 

          

Options and warrants outstanding—February 28, 2015

   23,055,950      0.86      3.73      2,151,361   
  

 

 

          

Outstanding exercisable—February 28, 2015

   21,476,679    $ 0.86      3.72    $ 2,027,111