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NOTE C - EARNINGS PER SHARE (Details) - Schedule of Earnings Per Share, Basic and Diluted - shares
3 Months Ended
Jul. 31, 2018
Jul. 31, 2017
Weighted average shares outstanding:    
Basic 8,876,416 8,826,026
Effect of dilutive securities 114,055 141,281
Diluted 8,990,471 8,967,307