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NOTE B - EARNINGS PER SHARE (Details) - Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share
3 Months Ended 6 Months Ended
Oct. 31, 2013
Oct. 31, 2012
Oct. 31, 2013
Oct. 31, 2012
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Abstract]        
Outstanding options and SARS excluded 272,375 733,375 290,375 733,375