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Note I - Options Exercised (Details) - USD ($) $ in Thousands	6 Months Ended
	Oct. 31, 2015	Oct. 31, 2014
Options exercised (in shares)	17,750	88,750
Cash received from option exercises	$ 245	$ 1,546
Intrinsic value of options exercised	$ 690	$ 2,129

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

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