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Employee Benefit Plans
 12 Months Ended
Apr. 30, 2013
Employee Benefit Plans

14.       EMPLOYEE BENEFIT PLANS

Defined Contribution Plan

We offer our eligible employees the opportunity to contribute to a 401(k) plan (the “401 (k) Plan”). Under the provisions of the 401(k) Plan participants may direct us to defer a portion of their compensation to the 401 (k) Plan, subject to Internal Revenue Code limitations. We provide an employer matching contribution equal to fifty cents for every dollar an employee invests in the 401(k) Plan up to our maximum match of one thousand dollars per calendar year, subject to revision. Participants vest in employer contributions ratably over a three year period. Employer contributions for the fiscal years ended April 30, 2013, 2012, and 2011 amounted to $645, $603 and $600, respectively.

Employee Stock Purchase Plan

In fiscal year 1998, we implemented our employee stock purchase plan. Under this plan, qualified employees may purchase shares of Class A common stock by payroll deduction at a 15% discount from the market price. 900 shares of Class A common stock have been reserved for this purpose. During the fiscal years ended April 30, 2013, 2012 and 2011, 76, 65 and 105 shares, respectively, of Class A common stock were issued under this plan. As of April 30, 2013, 183 shares of Class A common stock were available for distribution under this plan.