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Note H - Weighted Average Shares of Common Stock Outstanding (Details) - shares	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Basic (in shares)	8,513,440	8,716,344
Dilutive options and restricted stock (in shares)	396,157	426,718
Weighted average shares outstanding-diluted (in shares)	8,909,597	9,143,062
Antidilutive securities not included:
Options (in shares)	258,000	70,000

X

- Definition

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Antidilution



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-Name Accounting Standards Codification



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-Name Accounting Standards Codification



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Reference 4: http://www.xbrl.org/2003/role/presentationRef



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-Name Accounting Standards Codification



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The sum of dilutive potential common shares or units used in the calculation of the diluted per-share or per-unit computation.

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- Definition

The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.

+ References

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Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef



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