Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock	May 31, 2013	May 31, 2012
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items]
Authorized	70,000,000	70,000,000
Authorized	2,000,000	2,000,000
Reserved for Issuance	8,052,806
Outstanding	30,105,479	29,795,911
Common Class A [Member]
Capital Stock and Stock-Based Awards (Details) - Schedule of capital stock [Line Items]
Authorized	4,000,000	4,000,000
Reserved for Issuance	1,499,000
Outstanding	1,656,200	1,656,200

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Aggregate number of common shares reserved for future issuance.

+ References

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.

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