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Note 5 - Disclosure of Compensation Related Costs, Stock Based Payments (Tables)

3 Months Ended

Jul. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Activity [Table Text Block]

		Number of restricted stock units				Number of option shares				Weighted average option exercise price
Outstanding April 30, 2013			113,196				854,809			$	34.64
Granted			77,650				-------				-------
Exercised			-------				41,000				21.94
Forfeited			--------				-------				-------
Outstanding July 31, 2013			190,846				813,809			$	35.28

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- Definition

Tabular disclosure of share-based compensation plans that may be presented in a single table for outstanding, vested and expected to vest, and exercisable awards. The information that may be disclosed in this table may include, but is not limited to, number of shares, weighted average exercise price, weighted average remaining contractual life, and aggregate intrinsic value.

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No definition available.

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