Quarterly report pursuant to Section 13 or 15(d)

Consolidated Balance Sheets (Parenthetical)

v2.4.0.8
Consolidated Balance Sheets (Parenthetical) (USD $)
Aug. 31, 2014
May 31, 2014
Common stock, par value      
Common stock, shares authorized 100,000,000 100,000,000
Common stock, shares issued 55,752,503 55,753,311
Common stock, shares outstanding 55,752,503 55,753,311
Series B Convertible Preferred Stock
   
Series B Convertible preferred stock, par value      
Series B Convertible preferred stock, shares authorized 400,000 400,000
Series B Convertible preferred stock, shares issued 95,100 95,100
Series B Convertible preferred stock, shares outstanding 95,100 95,100