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Note I - Options Exercised (Details) - USD ($) $ in Thousands	3 Months Ended
	Jul. 31, 2015	Jul. 31, 2014
Options Exercised (in shares)	17,750	16,750
Cash Received from Option Exercises	$ 245	$ 268
Intrinsic Value of Options Exercised	$ 690	$ 347

X

- Definition

The cash inflow associated with the amount received from holders exercising their stock options. This item inherently excludes any excess tax benefit, which the entity may have realized and reported separately.

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- Definition

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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- Definition

Number of share options (or share units) exercised during the current period.

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