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Stockholders' Equity
3 Months Ended
May 31, 2012
Equity  
Stockholders' Equity Note Disclosure
Note 4.  Stockholders’ Equity
 
The Company has 10,000,000 authorized shares of $.001 par value preferred stock.  As of May 31, 2012 and August 31, 2011, there were no shares of preferred stock outstanding.  The Company also has 80,000,000 authorized shares of $.001 par value common stock.
 
Stock Offerings
 
On October 1, 2009, our universal shelf registration statement was declared effective by the SEC for the issuance of common stock, preferred stock, warrants, senior debt, subordinated debt and units up to an aggregate amount of $50.0 million.  We may periodically offer one or more of these securities in amounts, prices and on terms to be announced when and if the securities are offered.  At the time any of the securities covered by the registration statement are offered for sale, a prospectus supplement will be prepared and filed with the SEC containing specific information about the terms of any such offering.
 
We have previously completed four stock offerings utilizing our universal shelf registration statement.  Each of these offerings was completed during calendar year 2010, and we received total net proceeds of approximately $16.2 million.
 
Warrants
   
During the nine months ended May 31, 2011, investors exercised warrants issued in the stock offerings to purchase a total of 1,501,134 common shares, with net proceeds to the Company of approximately $3.0 million.
 
A summary of the outstanding warrants issued in the stock offerings as of May 31, 2012, and changes during the nine months then ended, is as follows:
   
Shares
  
Weighted-
Average
Exercise
Price
 
Weighted-
Average
Remaining
Contract Term
(Years)
         
Outstanding at August 31, 2011
  2,408,523  $4.56  
Issued
  -   -  
Exercised
  -   -  
Forfeited or expired
  -   -  
           
Outstanding and exercisable at May 31, 2012
  2,408,523  $4.56 
3.73