XML 41 R16.htm IDEA: XBRL DOCUMENT v2.4.0.6
Net Income (Loss) per Share
6 Months Ended
Oct. 31, 2012
Net Income (Loss) per Share [Abstract]  
Net Income (Loss) per Share
Net Income (Loss) per Share

Basic net income (loss) per share is based on the weighted average number of shares outstanding during the periods.