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NOTE B - EARNINGS PER SHARE (Details) (Equity Option [Member])
3 Months Ended
Jul. 31, 2013
Jul. 31, 2012
Equity Option [Member]
   
NOTE B - EARNINGS PER SHARE (Details) [Line Items]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 293,375 746,375